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Finding the Third Proportional to 64,730 and 140,548

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Solution

The third proportional to 64,730 and 140,548 is: 305,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,730 : 140,548 = 140,548 : x
  2. Step 2: Convert to fraction form
    64,730/140,548 = 140,548/x
  3. Step 3: Cross multiply
    64,730x = 140,548 × 140,548
  4. Step 4: Simplify right side
    64,730x = 19,753,740,304
  5. Step 5: Solve for x
    x = 19,753,740,304/64,730
  6. Step 6: Final answer
    x = 305,171.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.