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Finding the Third Proportional to 12,962.50 and 28,517

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Solution

The third proportional to 12,962.50 and 28,517 is: 62,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.50 : 28,517 = 28,517 : x
  2. Step 2: Convert to fraction form
    12,962.50/28,517 = 28,517/x
  3. Step 3: Cross multiply
    12,962.50x = 28,517 × 28,517
  4. Step 4: Simplify right side
    12,962.50x = 813,219,289
  5. Step 5: Solve for x
    x = 813,219,289/12,962.50
  6. Step 6: Final answer
    x = 62,736.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.