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Finding the Third Proportional to 5,680.13 and 12,442.36

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Solution

The third proportional to 5,680.13 and 12,442.36 is: 27,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.13 : 12,442.36 = 12,442.36 : x
  2. Step 2: Convert to fraction form
    5,680.13/12,442.36 = 12,442.36/x
  3. Step 3: Cross multiply
    5,680.13x = 12,442.36 × 12,442.36
  4. Step 4: Simplify right side
    5,680.13x = 154,812,306.82
  5. Step 5: Solve for x
    x = 154,812,306.82/5,680.13
  6. Step 6: Final answer
    x = 27,255.09

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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.