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Finding the Third Proportional to 36,423 and 79,255.13

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Solution

The third proportional to 36,423 and 79,255.13 is: 172,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423 : 79,255.13 = 79,255.13 : x
  2. Step 2: Convert to fraction form
    36,423/79,255.13 = 79,255.13/x
  3. Step 3: Cross multiply
    36,423x = 79,255.13 × 79,255.13
  4. Step 4: Simplify right side
    36,423x = 6,281,374,838.77
  5. Step 5: Solve for x
    x = 6,281,374,838.77/36,423
  6. Step 6: Final answer
    x = 172,456.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.