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Finding the Third Proportional to 38,751.75 and 79,147.13

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Solution

The third proportional to 38,751.75 and 79,147.13 is: 161,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.75 : 79,147.13 = 79,147.13 : x
  2. Step 2: Convert to fraction form
    38,751.75/79,147.13 = 79,147.13/x
  3. Step 3: Cross multiply
    38,751.75x = 79,147.13 × 79,147.13
  4. Step 4: Simplify right side
    38,751.75x = 6,264,267,395.77
  5. Step 5: Solve for x
    x = 6,264,267,395.77/38,751.75
  6. Step 6: Final answer
    x = 161,651.21

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.