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Finding the Third Proportional to 71,282 and 153,562

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Solution

The third proportional to 71,282 and 153,562 is: 330,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,282 : 153,562 = 153,562 : x
  2. Step 2: Convert to fraction form
    71,282/153,562 = 153,562/x
  3. Step 3: Cross multiply
    71,282x = 153,562 × 153,562
  4. Step 4: Simplify right side
    71,282x = 23,581,287,844
  5. Step 5: Solve for x
    x = 23,581,287,844/71,282
  6. Step 6: Final answer
    x = 330,816.87

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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.