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Finding the Third Proportional to 33,259 and 71,438.75

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Solution

The third proportional to 33,259 and 71,438.75 is: 153,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,259 : 71,438.75 = 71,438.75 : x
  2. Step 2: Convert to fraction form
    33,259/71,438.75 = 71,438.75/x
  3. Step 3: Cross multiply
    33,259x = 71,438.75 × 71,438.75
  4. Step 4: Simplify right side
    33,259x = 5,103,495,001.56
  5. Step 5: Solve for x
    x = 5,103,495,001.56/33,259
  6. Step 6: Final answer
    x = 153,447.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.