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Finding the Third Proportional to 33,129 and 49,720.50

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Solution

The third proportional to 33,129 and 49,720.50 is: 74,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129 : 49,720.50 = 49,720.50 : x
  2. Step 2: Convert to fraction form
    33,129/49,720.50 = 49,720.50/x
  3. Step 3: Cross multiply
    33,129x = 49,720.50 × 49,720.50
  4. Step 4: Simplify right side
    33,129x = 2,472,128,120.25
  5. Step 5: Solve for x
    x = 2,472,128,120.25/33,129
  6. Step 6: Final answer
    x = 74,621.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.