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Finding the Third Proportional to 63,574.50 and 135,591

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Solution

The third proportional to 63,574.50 and 135,591 is: 289,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574.50 : 135,591 = 135,591 : x
  2. Step 2: Convert to fraction form
    63,574.50/135,591 = 135,591/x
  3. Step 3: Cross multiply
    63,574.50x = 135,591 × 135,591
  4. Step 4: Simplify right side
    63,574.50x = 18,384,919,281
  5. Step 5: Solve for x
    x = 18,384,919,281/63,574.50
  6. Step 6: Final answer
    x = 289,187.01

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.