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Finding the Third Proportional to 12,517.22 and 26,811.38

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Solution

The third proportional to 12,517.22 and 26,811.38 is: 57,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.22 : 26,811.38 = 26,811.38 : x
  2. Step 2: Convert to fraction form
    12,517.22/26,811.38 = 26,811.38/x
  3. Step 3: Cross multiply
    12,517.22x = 26,811.38 × 26,811.38
  4. Step 4: Simplify right side
    12,517.22x = 718,849,829.39
  5. Step 5: Solve for x
    x = 718,849,829.39/12,517.22
  6. Step 6: Final answer
    x = 57,428.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.