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Finding the Third Proportional to 99,374 and 147,708

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Solution

The third proportional to 99,374 and 147,708 is: 219,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,374 : 147,708 = 147,708 : x
  2. Step 2: Convert to fraction form
    99,374/147,708 = 147,708/x
  3. Step 3: Cross multiply
    99,374x = 147,708 × 147,708
  4. Step 4: Simplify right side
    99,374x = 21,817,653,264
  5. Step 5: Solve for x
    x = 21,817,653,264/99,374
  6. Step 6: Final answer
    x = 219,550.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.