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Finding the Third Proportional to 40,468 and 87,592

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Solution

The third proportional to 40,468 and 87,592 is: 189,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,468 : 87,592 = 87,592 : x
  2. Step 2: Convert to fraction form
    40,468/87,592 = 87,592/x
  3. Step 3: Cross multiply
    40,468x = 87,592 × 87,592
  4. Step 4: Simplify right side
    40,468x = 7,672,358,464
  5. Step 5: Solve for x
    x = 7,672,358,464/40,468
  6. Step 6: Final answer
    x = 189,590.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.