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Finding the Third Proportional to 62,710 and 127,040

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Solution

The third proportional to 62,710 and 127,040 is: 257,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,710 : 127,040 = 127,040 : x
  2. Step 2: Convert to fraction form
    62,710/127,040 = 127,040/x
  3. Step 3: Cross multiply
    62,710x = 127,040 × 127,040
  4. Step 4: Simplify right side
    62,710x = 16,139,161,600
  5. Step 5: Solve for x
    x = 16,139,161,600/62,710
  6. Step 6: Final answer
    x = 257,361.85

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.