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Finding the Third Proportional to 47,432 and 63,471

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Solution

The third proportional to 47,432 and 63,471 is: 84,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,432 : 63,471 = 63,471 : x
  2. Step 2: Convert to fraction form
    47,432/63,471 = 63,471/x
  3. Step 3: Cross multiply
    47,432x = 63,471 × 63,471
  4. Step 4: Simplify right side
    47,432x = 4,028,567,841
  5. Step 5: Solve for x
    x = 4,028,567,841/47,432
  6. Step 6: Final answer
    x = 84,933.54

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.