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Finding the Third Proportional to 91,192,331.25 and 134,376,509.25

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Solution

The third proportional to 91,192,331.25 and 134,376,509.25 is: 198,010,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,192,331.25 : 134,376,509.25 = 134,376,509.25 : x
  2. Step 2: Convert to fraction form
    91,192,331.25/134,376,509.25 = 134,376,509.25/x
  3. Step 3: Cross multiply
    91,192,331.25x = 134,376,509.25 × 134,376,509.25
  4. Step 4: Simplify right side
    91,192,331.25x = 18,057,046,238,215,336
  5. Step 5: Solve for x
    x = 18,057,046,238,215,336/91,192,331.25
  6. Step 6: Final answer
    x = 198,010,578.20

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.