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Finding the Third Proportional to 8,502.75 and 12,760.88

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Solution

The third proportional to 8,502.75 and 12,760.88 is: 19,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.75 : 12,760.88 = 12,760.88 : x
  2. Step 2: Convert to fraction form
    8,502.75/12,760.88 = 12,760.88/x
  3. Step 3: Cross multiply
    8,502.75x = 12,760.88 × 12,760.88
  4. Step 4: Simplify right side
    8,502.75x = 162,839,930.77
  5. Step 5: Solve for x
    x = 162,839,930.77/8,502.75
  6. Step 6: Final answer
    x = 19,151.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.