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Finding the Third Proportional to 63,255 and 135,891

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Solution

The third proportional to 63,255 and 135,891 is: 291,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,255 : 135,891 = 135,891 : x
  2. Step 2: Convert to fraction form
    63,255/135,891 = 135,891/x
  3. Step 3: Cross multiply
    63,255x = 135,891 × 135,891
  4. Step 4: Simplify right side
    63,255x = 18,466,363,881
  5. Step 5: Solve for x
    x = 18,466,363,881/63,255
  6. Step 6: Final answer
    x = 291,935.24

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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.