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Finding the Third Proportional to 31,214 and 47,463

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Solution

The third proportional to 31,214 and 47,463 is: 72,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214 : 47,463 = 47,463 : x
  2. Step 2: Convert to fraction form
    31,214/47,463 = 47,463/x
  3. Step 3: Cross multiply
    31,214x = 47,463 × 47,463
  4. Step 4: Simplify right side
    31,214x = 2,252,736,369
  5. Step 5: Solve for x
    x = 2,252,736,369/31,214
  6. Step 6: Final answer
    x = 72,170.70

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.