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Finding the Third Proportional to 6,787.13 and 9,190.13

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Solution

The third proportional to 6,787.13 and 9,190.13 is: 12,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.13 : 9,190.13 = 9,190.13 : x
  2. Step 2: Convert to fraction form
    6,787.13/9,190.13 = 9,190.13/x
  3. Step 3: Cross multiply
    6,787.13x = 9,190.13 × 9,190.13
  4. Step 4: Simplify right side
    6,787.13x = 84,458,397.52
  5. Step 5: Solve for x
    x = 84,458,397.52/6,787.13
  6. Step 6: Final answer
    x = 12,443.91

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.