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Finding the Third Proportional to 59,357 and 127,930

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Solution

The third proportional to 59,357 and 127,930 is: 275,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,357 : 127,930 = 127,930 : x
  2. Step 2: Convert to fraction form
    59,357/127,930 = 127,930/x
  3. Step 3: Cross multiply
    59,357x = 127,930 × 127,930
  4. Step 4: Simplify right side
    59,357x = 16,366,084,900
  5. Step 5: Solve for x
    x = 16,366,084,900/59,357
  6. Step 6: Final answer
    x = 275,722.91

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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.