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Finding the Third Proportional to 61,978.50 and 127,626.75

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Solution

The third proportional to 61,978.50 and 127,626.75 is: 262,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,978.50 : 127,626.75 = 127,626.75 : x
  2. Step 2: Convert to fraction form
    61,978.50/127,626.75 = 127,626.75/x
  3. Step 3: Cross multiply
    61,978.50x = 127,626.75 × 127,626.75
  4. Step 4: Simplify right side
    61,978.50x = 16,288,587,315.56
  5. Step 5: Solve for x
    x = 16,288,587,315.56/61,978.50
  6. Step 6: Final answer
    x = 262,810.29

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.