Home / 354,988-772,170

Finding the Third Proportional to 354,988 and 772,170

Calculator

Solution

The third proportional to 354,988 and 772,170 is: 1,679,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,988 : 772,170 = 772,170 : x
  2. Step 2: Convert to fraction form
    354,988/772,170 = 772,170/x
  3. Step 3: Cross multiply
    354,988x = 772,170 × 772,170
  4. Step 4: Simplify right side
    354,988x = 596,246,508,900
  5. Step 5: Solve for x
    x = 596,246,508,900/354,988
  6. Step 6: Final answer
    x = 1,679,624.41

Related Problems

Find third proportional to 177,494 and 386,085
Half scale
Find third proportional to 709,976 and 1,544,340
Double scale
Find third proportional to 354,990 and 772,174
Similar ratio
Find third proportional to 532,482 and 1,158,255
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.