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Finding the Third Proportional to 28,550 and 61,475

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Solution

The third proportional to 28,550 and 61,475 is: 132,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550 : 61,475 = 61,475 : x
  2. Step 2: Convert to fraction form
    28,550/61,475 = 61,475/x
  3. Step 3: Cross multiply
    28,550x = 61,475 × 61,475
  4. Step 4: Simplify right side
    28,550x = 3,779,175,625
  5. Step 5: Solve for x
    x = 3,779,175,625/28,550
  6. Step 6: Final answer
    x = 132,370.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.