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Finding the Third Proportional to 170,865,874 and 372,780,926

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Solution

The third proportional to 170,865,874 and 372,780,926 is: 813,302,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865,874 : 372,780,926 = 372,780,926 : x
  2. Step 2: Convert to fraction form
    170,865,874/372,780,926 = 372,780,926/x
  3. Step 3: Cross multiply
    170,865,874x = 372,780,926 × 372,780,926
  4. Step 4: Simplify right side
    170,865,874x = 138,965,618,789,417,472
  5. Step 5: Solve for x
    x = 138,965,618,789,417,472/170,865,874
  6. Step 6: Final answer
    x = 813,302,361.30

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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.