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Finding the Third Proportional to 43,272.98 and 66,424.43

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Solution

The third proportional to 43,272.98 and 66,424.43 is: 101,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.98 : 66,424.43 = 66,424.43 : x
  2. Step 2: Convert to fraction form
    43,272.98/66,424.43 = 66,424.43/x
  3. Step 3: Cross multiply
    43,272.98x = 66,424.43 × 66,424.43
  4. Step 4: Simplify right side
    43,272.98x = 4,412,204,859.31
  5. Step 5: Solve for x
    x = 4,412,204,859.31/43,272.98
  6. Step 6: Final answer
    x = 101,962.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.