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Finding the Third Proportional to 19,869.75 and 43,521.75

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Solution

The third proportional to 19,869.75 and 43,521.75 is: 95,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.75 : 43,521.75 = 43,521.75 : x
  2. Step 2: Convert to fraction form
    19,869.75/43,521.75 = 43,521.75/x
  3. Step 3: Cross multiply
    19,869.75x = 43,521.75 × 43,521.75
  4. Step 4: Simplify right side
    19,869.75x = 1,894,142,723.06
  5. Step 5: Solve for x
    x = 1,894,142,723.06/19,869.75
  6. Step 6: Final answer
    x = 95,327.96

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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.