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Finding the Third Proportional to 28,778 and 62,884

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Solution

The third proportional to 28,778 and 62,884 is: 137,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778 : 62,884 = 62,884 : x
  2. Step 2: Convert to fraction form
    28,778/62,884 = 62,884/x
  3. Step 3: Cross multiply
    28,778x = 62,884 × 62,884
  4. Step 4: Simplify right side
    28,778x = 3,954,397,456
  5. Step 5: Solve for x
    x = 3,954,397,456/28,778
  6. Step 6: Final answer
    x = 137,410.43

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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.