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Finding the Third Proportional to 6,711.19 and 8,830.69

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Solution

The third proportional to 6,711.19 and 8,830.69 is: 11,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.19 : 8,830.69 = 8,830.69 : x
  2. Step 2: Convert to fraction form
    6,711.19/8,830.69 = 8,830.69/x
  3. Step 3: Cross multiply
    6,711.19x = 8,830.69 × 8,830.69
  4. Step 4: Simplify right side
    6,711.19x = 77,981,041.72
  5. Step 5: Solve for x
    x = 77,981,041.72/6,711.19
  6. Step 6: Final answer
    x = 11,619.56

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.