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Finding the Third Proportional to 36,403 and 79,542

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Solution

The third proportional to 36,403 and 79,542 is: 173,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403 : 79,542 = 79,542 : x
  2. Step 2: Convert to fraction form
    36,403/79,542 = 79,542/x
  3. Step 3: Cross multiply
    36,403x = 79,542 × 79,542
  4. Step 4: Simplify right side
    36,403x = 6,326,929,764
  5. Step 5: Solve for x
    x = 6,326,929,764/36,403
  6. Step 6: Final answer
    x = 173,802.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.