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Finding the Third Proportional to 58,770 and 127,908

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Solution

The third proportional to 58,770 and 127,908 is: 278,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,770 : 127,908 = 127,908 : x
  2. Step 2: Convert to fraction form
    58,770/127,908 = 127,908/x
  3. Step 3: Cross multiply
    58,770x = 127,908 × 127,908
  4. Step 4: Simplify right side
    58,770x = 16,360,456,464
  5. Step 5: Solve for x
    x = 16,360,456,464/58,770
  6. Step 6: Final answer
    x = 278,381.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.