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Finding the Third Proportional to 59,912 and 129,652

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Solution

The third proportional to 59,912 and 129,652 is: 280,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,912 : 129,652 = 129,652 : x
  2. Step 2: Convert to fraction form
    59,912/129,652 = 129,652/x
  3. Step 3: Cross multiply
    59,912x = 129,652 × 129,652
  4. Step 4: Simplify right side
    59,912x = 16,809,641,104
  5. Step 5: Solve for x
    x = 16,809,641,104/59,912
  6. Step 6: Final answer
    x = 280,572.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.