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Finding the Third Proportional to 172,704 and 371,424

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Solution

The third proportional to 172,704 and 371,424 is: 798,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,704 : 371,424 = 371,424 : x
  2. Step 2: Convert to fraction form
    172,704/371,424 = 371,424/x
  3. Step 3: Cross multiply
    172,704x = 371,424 × 371,424
  4. Step 4: Simplify right side
    172,704x = 137,955,787,776
  5. Step 5: Solve for x
    x = 137,955,787,776/172,704
  6. Step 6: Final answer
    x = 798,799.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.