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Finding the Third Proportional to 63,376 and 128,502

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Solution

The third proportional to 63,376 and 128,502 is: 260,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,376 : 128,502 = 128,502 : x
  2. Step 2: Convert to fraction form
    63,376/128,502 = 128,502/x
  3. Step 3: Cross multiply
    63,376x = 128,502 × 128,502
  4. Step 4: Simplify right side
    63,376x = 16,512,764,004
  5. Step 5: Solve for x
    x = 16,512,764,004/63,376
  6. Step 6: Final answer
    x = 260,552.32

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.