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Finding the Third Proportional to 6,403.13 and 9,511.88

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Solution

The third proportional to 6,403.13 and 9,511.88 is: 14,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.13 : 9,511.88 = 9,511.88 : x
  2. Step 2: Convert to fraction form
    6,403.13/9,511.88 = 9,511.88/x
  3. Step 3: Cross multiply
    6,403.13x = 9,511.88 × 9,511.88
  4. Step 4: Simplify right side
    6,403.13x = 90,475,766.02
  5. Step 5: Solve for x
    x = 90,475,766.02/6,403.13
  6. Step 6: Final answer
    x = 14,129.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.