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Finding the Third Proportional to 66,126.38 and 100,743.75

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Solution

The third proportional to 66,126.38 and 100,743.75 is: 153,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.38 : 100,743.75 = 100,743.75 : x
  2. Step 2: Convert to fraction form
    66,126.38/100,743.75 = 100,743.75/x
  3. Step 3: Cross multiply
    66,126.38x = 100,743.75 × 100,743.75
  4. Step 4: Simplify right side
    66,126.38x = 10,149,303,164.06
  5. Step 5: Solve for x
    x = 10,149,303,164.06/66,126.38
  6. Step 6: Final answer
    x = 153,483.43

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.