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Finding the Third Proportional to 91,371.38 and 140,625.28

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Solution

The third proportional to 91,371.38 and 140,625.28 is: 216,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,371.38 : 140,625.28 = 140,625.28 : x
  2. Step 2: Convert to fraction form
    91,371.38/140,625.28 = 140,625.28/x
  3. Step 3: Cross multiply
    91,371.38x = 140,625.28 × 140,625.28
  4. Step 4: Simplify right side
    91,371.38x = 19,775,469,726.64
  5. Step 5: Solve for x
    x = 19,775,469,726.64/91,371.38
  6. Step 6: Final answer
    x = 216,429.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.