Home / 181,810-372,420

Finding the Third Proportional to 181,810 and 372,420

Calculator

Solution

The third proportional to 181,810 and 372,420 is: 762,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,810 : 372,420 = 372,420 : x
  2. Step 2: Convert to fraction form
    181,810/372,420 = 372,420/x
  3. Step 3: Cross multiply
    181,810x = 372,420 × 372,420
  4. Step 4: Simplify right side
    181,810x = 138,696,656,400
  5. Step 5: Solve for x
    x = 138,696,656,400/181,810
  6. Step 6: Final answer
    x = 762,865.94

Related Problems

Find third proportional to 90,905 and 186,210
Half scale
Find third proportional to 363,620 and 744,840
Double scale
Find third proportional to 181,812 and 372,424
Similar ratio
Find third proportional to 272,715 and 558,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.