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Finding the Third Proportional to 47,439 and 71,138.25

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Solution

The third proportional to 47,439 and 71,138.25 is: 106,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,439 : 71,138.25 = 71,138.25 : x
  2. Step 2: Convert to fraction form
    47,439/71,138.25 = 71,138.25/x
  3. Step 3: Cross multiply
    47,439x = 71,138.25 × 71,138.25
  4. Step 4: Simplify right side
    47,439x = 5,060,650,613.06
  5. Step 5: Solve for x
    x = 5,060,650,613.06/47,439
  6. Step 6: Final answer
    x = 106,677.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.