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Finding the Third Proportional to 91,344,438 and 131,976,939

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Solution

The third proportional to 91,344,438 and 131,976,939 is: 190,683,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,344,438 : 131,976,939 = 131,976,939 : x
  2. Step 2: Convert to fraction form
    91,344,438/131,976,939 = 131,976,939/x
  3. Step 3: Cross multiply
    91,344,438x = 131,976,939 × 131,976,939
  4. Step 4: Simplify right side
    91,344,438x = 17,417,912,427,809,720
  5. Step 5: Solve for x
    x = 17,417,912,427,809,720/91,344,438
  6. Step 6: Final answer
    x = 190,683,886.28

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.