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Finding the Third Proportional to 45,161.25 and 63,540.75

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Solution

The third proportional to 45,161.25 and 63,540.75 is: 89,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161.25 : 63,540.75 = 63,540.75 : x
  2. Step 2: Convert to fraction form
    45,161.25/63,540.75 = 63,540.75/x
  3. Step 3: Cross multiply
    45,161.25x = 63,540.75 × 63,540.75
  4. Step 4: Simplify right side
    45,161.25x = 4,037,426,910.56
  5. Step 5: Solve for x
    x = 4,037,426,910.56/45,161.25
  6. Step 6: Final answer
    x = 89,400.25

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.