Home / 289,146,106.69-440,498,697.19

Finding the Third Proportional to 289,146,106.69 and 440,498,697.19

Calculator

Solution

The third proportional to 289,146,106.69 and 440,498,697.19 is: 671,076,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,146,106.69 : 440,498,697.19 = 440,498,697.19 : x
  2. Step 2: Convert to fraction form
    289,146,106.69/440,498,697.19 = 440,498,697.19/x
  3. Step 3: Cross multiply
    289,146,106.69x = 440,498,697.19 × 440,498,697.19
  4. Step 4: Simplify right side
    289,146,106.69x = 194,039,102,223,884,832
  5. Step 5: Solve for x
    x = 194,039,102,223,884,832/289,146,106.69
  6. Step 6: Final answer
    x = 671,076,309.64

Related Problems

Find third proportional to 144,573,053.34 and 220,249,348.59
Half scale
Find third proportional to 578,292,213.38 and 880,997,394.38
Double scale
Find third proportional to 289,146,109 and 440,498,700
Similar ratio
Find third proportional to 433,719,160.03 and 660,748,045.78
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.