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Finding the Third Proportional to 28,524 and 68,716

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Solution

The third proportional to 28,524 and 68,716 is: 165,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524 : 68,716 = 68,716 : x
  2. Step 2: Convert to fraction form
    28,524/68,716 = 68,716/x
  3. Step 3: Cross multiply
    28,524x = 68,716 × 68,716
  4. Step 4: Simplify right side
    28,524x = 4,721,888,656
  5. Step 5: Solve for x
    x = 4,721,888,656/28,524
  6. Step 6: Final answer
    x = 165,540.90

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.