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Finding the Third Proportional to 66,541 and 100,081.50

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Solution

The third proportional to 66,541 and 100,081.50 is: 150,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541 : 100,081.50 = 100,081.50 : x
  2. Step 2: Convert to fraction form
    66,541/100,081.50 = 100,081.50/x
  3. Step 3: Cross multiply
    66,541x = 100,081.50 × 100,081.50
  4. Step 4: Simplify right side
    66,541x = 10,016,306,642.25
  5. Step 5: Solve for x
    x = 10,016,306,642.25/66,541
  6. Step 6: Final answer
    x = 150,528.35

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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.