Home / 91,915-199,382

Finding the Third Proportional to 91,915 and 199,382

Calculator

Solution

The third proportional to 91,915 and 199,382 is: 432,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,915 : 199,382 = 199,382 : x
  2. Step 2: Convert to fraction form
    91,915/199,382 = 199,382/x
  3. Step 3: Cross multiply
    91,915x = 199,382 × 199,382
  4. Step 4: Simplify right side
    91,915x = 39,753,181,924
  5. Step 5: Solve for x
    x = 39,753,181,924/91,915
  6. Step 6: Final answer
    x = 432,499.40

Related Problems

Find third proportional to 45,957.50 and 99,691
Half scale
Find third proportional to 183,830 and 398,764
Double scale
Find third proportional to 91,917 and 199,386
Similar ratio
Find third proportional to 137,872.50 and 299,073
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.