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Finding the Third Proportional to 62,434 and 80,862

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Solution

The third proportional to 62,434 and 80,862 is: 104,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,434 : 80,862 = 80,862 : x
  2. Step 2: Convert to fraction form
    62,434/80,862 = 80,862/x
  3. Step 3: Cross multiply
    62,434x = 80,862 × 80,862
  4. Step 4: Simplify right side
    62,434x = 6,538,663,044
  5. Step 5: Solve for x
    x = 6,538,663,044/62,434
  6. Step 6: Final answer
    x = 104,729.20

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.