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Finding the Third Proportional to 12,672.28 and 18,526.92

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Solution

The third proportional to 12,672.28 and 18,526.92 is: 27,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.28 : 18,526.92 = 18,526.92 : x
  2. Step 2: Convert to fraction form
    12,672.28/18,526.92 = 18,526.92/x
  3. Step 3: Cross multiply
    12,672.28x = 18,526.92 × 18,526.92
  4. Step 4: Simplify right side
    12,672.28x = 343,246,834.16
  5. Step 5: Solve for x
    x = 343,246,834.16/12,672.28
  6. Step 6: Final answer
    x = 27,086.43

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.