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Finding the Third Proportional to 47,452 and 76,446

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Solution

The third proportional to 47,452 and 76,446 is: 123,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,452 : 76,446 = 76,446 : x
  2. Step 2: Convert to fraction form
    47,452/76,446 = 76,446/x
  3. Step 3: Cross multiply
    47,452x = 76,446 × 76,446
  4. Step 4: Simplify right side
    47,452x = 5,843,990,916
  5. Step 5: Solve for x
    x = 5,843,990,916/47,452
  6. Step 6: Final answer
    x = 123,155.84

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.