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Finding the Third Proportional to 43,836.19 and 66,073.22

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Solution

The third proportional to 43,836.19 and 66,073.22 is: 99,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.19 : 66,073.22 = 66,073.22 : x
  2. Step 2: Convert to fraction form
    43,836.19/66,073.22 = 66,073.22/x
  3. Step 3: Cross multiply
    43,836.19x = 66,073.22 × 66,073.22
  4. Step 4: Simplify right side
    43,836.19x = 4,365,670,235.99
  5. Step 5: Solve for x
    x = 4,365,670,235.99/43,836.19
  6. Step 6: Final answer
    x = 99,590.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.