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Finding the Third Proportional to 73,152 and 151,472

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Solution

The third proportional to 73,152 and 151,472 is: 313,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,152 : 151,472 = 151,472 : x
  2. Step 2: Convert to fraction form
    73,152/151,472 = 151,472/x
  3. Step 3: Cross multiply
    73,152x = 151,472 × 151,472
  4. Step 4: Simplify right side
    73,152x = 22,943,766,784
  5. Step 5: Solve for x
    x = 22,943,766,784/73,152
  6. Step 6: Final answer
    x = 313,645.11

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.