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Finding the Third Proportional to 43,426.88 and 68,820.75

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Solution

The third proportional to 43,426.88 and 68,820.75 is: 109,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426.88 : 68,820.75 = 68,820.75 : x
  2. Step 2: Convert to fraction form
    43,426.88/68,820.75 = 68,820.75/x
  3. Step 3: Cross multiply
    43,426.88x = 68,820.75 × 68,820.75
  4. Step 4: Simplify right side
    43,426.88x = 4,736,295,630.56
  5. Step 5: Solve for x
    x = 4,736,295,630.56/43,426.88
  6. Step 6: Final answer
    x = 109,063.70

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.