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Finding the Third Proportional to 6,139.13 and 7,354.13

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Solution

The third proportional to 6,139.13 and 7,354.13 is: 8,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.13 : 7,354.13 = 7,354.13 : x
  2. Step 2: Convert to fraction form
    6,139.13/7,354.13 = 7,354.13/x
  3. Step 3: Cross multiply
    6,139.13x = 7,354.13 × 7,354.13
  4. Step 4: Simplify right side
    6,139.13x = 54,083,154.52
  5. Step 5: Solve for x
    x = 54,083,154.52/6,139.13
  6. Step 6: Final answer
    x = 8,809.59

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.