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Finding the Third Proportional to 63,059 and 135,685

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Solution

The third proportional to 63,059 and 135,685 is: 291,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,059 : 135,685 = 135,685 : x
  2. Step 2: Convert to fraction form
    63,059/135,685 = 135,685/x
  3. Step 3: Cross multiply
    63,059x = 135,685 × 135,685
  4. Step 4: Simplify right side
    63,059x = 18,410,419,225
  5. Step 5: Solve for x
    x = 18,410,419,225/63,059
  6. Step 6: Final answer
    x = 291,955.46

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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.