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Finding the Third Proportional to 47,498 and 71,337

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Solution

The third proportional to 47,498 and 71,337 is: 107,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,498 : 71,337 = 71,337 : x
  2. Step 2: Convert to fraction form
    47,498/71,337 = 71,337/x
  3. Step 3: Cross multiply
    47,498x = 71,337 × 71,337
  4. Step 4: Simplify right side
    47,498x = 5,088,967,569
  5. Step 5: Solve for x
    x = 5,088,967,569/47,498
  6. Step 6: Final answer
    x = 107,140.67

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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.