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Finding the Third Proportional to 28,479 and 62,319.38

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Solution

The third proportional to 28,479 and 62,319.38 is: 136,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479 : 62,319.38 = 62,319.38 : x
  2. Step 2: Convert to fraction form
    28,479/62,319.38 = 62,319.38/x
  3. Step 3: Cross multiply
    28,479x = 62,319.38 × 62,319.38
  4. Step 4: Simplify right side
    28,479x = 3,883,704,500.39
  5. Step 5: Solve for x
    x = 3,883,704,500.39/28,479
  6. Step 6: Final answer
    x = 136,370.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.