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Finding the Third Proportional to 6,306.61 and 11,200.78

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Solution

The third proportional to 6,306.61 and 11,200.78 is: 19,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.61 : 11,200.78 = 11,200.78 : x
  2. Step 2: Convert to fraction form
    6,306.61/11,200.78 = 11,200.78/x
  3. Step 3: Cross multiply
    6,306.61x = 11,200.78 × 11,200.78
  4. Step 4: Simplify right side
    6,306.61x = 125,457,500.61
  5. Step 5: Solve for x
    x = 125,457,500.61/6,306.61
  6. Step 6: Final answer
    x = 19,893.02

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.