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Finding the Third Proportional to 28,689.97 and 62,144.28

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Solution

The third proportional to 28,689.97 and 62,144.28 is: 134,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.97 : 62,144.28 = 62,144.28 : x
  2. Step 2: Convert to fraction form
    28,689.97/62,144.28 = 62,144.28/x
  3. Step 3: Cross multiply
    28,689.97x = 62,144.28 × 62,144.28
  4. Step 4: Simplify right side
    28,689.97x = 3,861,911,692.08
  5. Step 5: Solve for x
    x = 3,861,911,692.08/28,689.97
  6. Step 6: Final answer
    x = 134,608.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.