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Finding the Third Proportional to 20,068.75 and 43,943.75

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Solution

The third proportional to 20,068.75 and 43,943.75 is: 96,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.75 : 43,943.75 = 43,943.75 : x
  2. Step 2: Convert to fraction form
    20,068.75/43,943.75 = 43,943.75/x
  3. Step 3: Cross multiply
    20,068.75x = 43,943.75 × 43,943.75
  4. Step 4: Simplify right side
    20,068.75x = 1,931,053,164.06
  5. Step 5: Solve for x
    x = 1,931,053,164.06/20,068.75
  6. Step 6: Final answer
    x = 96,221.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.