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Finding the Third Proportional to 62,016 and 129,280

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Solution

The third proportional to 62,016 and 129,280 is: 269,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,016 : 129,280 = 129,280 : x
  2. Step 2: Convert to fraction form
    62,016/129,280 = 129,280/x
  3. Step 3: Cross multiply
    62,016x = 129,280 × 129,280
  4. Step 4: Simplify right side
    62,016x = 16,713,318,400
  5. Step 5: Solve for x
    x = 16,713,318,400/62,016
  6. Step 6: Final answer
    x = 269,500.10

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.