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Finding the Third Proportional to 63,355 and 136,530

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Solution

The third proportional to 63,355 and 136,530 is: 294,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355 : 136,530 = 136,530 : x
  2. Step 2: Convert to fraction form
    63,355/136,530 = 136,530/x
  3. Step 3: Cross multiply
    63,355x = 136,530 × 136,530
  4. Step 4: Simplify right side
    63,355x = 18,640,440,900
  5. Step 5: Solve for x
    x = 18,640,440,900/63,355
  6. Step 6: Final answer
    x = 294,222.10

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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.