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Finding the Third Proportional to 6,780.38 and 9,335.25

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Solution

The third proportional to 6,780.38 and 9,335.25 is: 12,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.38 : 9,335.25 = 9,335.25 : x
  2. Step 2: Convert to fraction form
    6,780.38/9,335.25 = 9,335.25/x
  3. Step 3: Cross multiply
    6,780.38x = 9,335.25 × 9,335.25
  4. Step 4: Simplify right side
    6,780.38x = 87,146,892.56
  5. Step 5: Solve for x
    x = 87,146,892.56/6,780.38
  6. Step 6: Final answer
    x = 12,852.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.