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Finding the Third Proportional to 47,542 and 73,590

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Solution

The third proportional to 47,542 and 73,590 is: 113,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,542 : 73,590 = 73,590 : x
  2. Step 2: Convert to fraction form
    47,542/73,590 = 73,590/x
  3. Step 3: Cross multiply
    47,542x = 73,590 × 73,590
  4. Step 4: Simplify right side
    47,542x = 5,415,488,100
  5. Step 5: Solve for x
    x = 5,415,488,100/47,542
  6. Step 6: Final answer
    x = 113,909.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.