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Finding the Third Proportional to 63,553 and 135,829

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Solution

The third proportional to 63,553 and 135,829 is: 290,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,553 : 135,829 = 135,829 : x
  2. Step 2: Convert to fraction form
    63,553/135,829 = 135,829/x
  3. Step 3: Cross multiply
    63,553x = 135,829 × 135,829
  4. Step 4: Simplify right side
    63,553x = 18,449,517,241
  5. Step 5: Solve for x
    x = 18,449,517,241/63,553
  6. Step 6: Final answer
    x = 290,301.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.