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Finding the Third Proportional to 59,916 and 129,048

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Solution

The third proportional to 59,916 and 129,048 is: 277,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,916 : 129,048 = 129,048 : x
  2. Step 2: Convert to fraction form
    59,916/129,048 = 129,048/x
  3. Step 3: Cross multiply
    59,916x = 129,048 × 129,048
  4. Step 4: Simplify right side
    59,916x = 16,653,386,304
  5. Step 5: Solve for x
    x = 16,653,386,304/59,916
  6. Step 6: Final answer
    x = 277,945.56

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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.