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Finding the Third Proportional to 39,112.88 and 52,440.75

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Solution

The third proportional to 39,112.88 and 52,440.75 is: 70,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.88 : 52,440.75 = 52,440.75 : x
  2. Step 2: Convert to fraction form
    39,112.88/52,440.75 = 52,440.75/x
  3. Step 3: Cross multiply
    39,112.88x = 52,440.75 × 52,440.75
  4. Step 4: Simplify right side
    39,112.88x = 2,750,032,260.56
  5. Step 5: Solve for x
    x = 2,750,032,260.56/39,112.88
  6. Step 6: Final answer
    x = 70,310.15

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.