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Finding the Third Proportional to 6,252.19 and 8,117.72

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Solution

The third proportional to 6,252.19 and 8,117.72 is: 10,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.19 : 8,117.72 = 8,117.72 : x
  2. Step 2: Convert to fraction form
    6,252.19/8,117.72 = 8,117.72/x
  3. Step 3: Cross multiply
    6,252.19x = 8,117.72 × 8,117.72
  4. Step 4: Simplify right side
    6,252.19x = 65,897,357.70
  5. Step 5: Solve for x
    x = 65,897,357.70/6,252.19
  6. Step 6: Final answer
    x = 10,539.89

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.