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Finding the Third Proportional to 66,544.88 and 103,080.75

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Solution

The third proportional to 66,544.88 and 103,080.75 is: 159,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.88 : 103,080.75 = 103,080.75 : x
  2. Step 2: Convert to fraction form
    66,544.88/103,080.75 = 103,080.75/x
  3. Step 3: Cross multiply
    66,544.88x = 103,080.75 × 103,080.75
  4. Step 4: Simplify right side
    66,544.88x = 10,625,641,020.56
  5. Step 5: Solve for x
    x = 10,625,641,020.56/66,544.88
  6. Step 6: Final answer
    x = 159,676.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.