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Finding the Third Proportional to 58,781 and 127,108

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Solution

The third proportional to 58,781 and 127,108 is: 274,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781 : 127,108 = 127,108 : x
  2. Step 2: Convert to fraction form
    58,781/127,108 = 127,108/x
  3. Step 3: Cross multiply
    58,781x = 127,108 × 127,108
  4. Step 4: Simplify right side
    58,781x = 16,156,443,664
  5. Step 5: Solve for x
    x = 16,156,443,664/58,781
  6. Step 6: Final answer
    x = 274,858.26

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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.