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Finding the Third Proportional to 33,009.75 and 71,281.13

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Solution

The third proportional to 33,009.75 and 71,281.13 is: 153,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009.75 : 71,281.13 = 71,281.13 : x
  2. Step 2: Convert to fraction form
    33,009.75/71,281.13 = 71,281.13/x
  3. Step 3: Cross multiply
    33,009.75x = 71,281.13 × 71,281.13
  4. Step 4: Simplify right side
    33,009.75x = 5,080,998,781.27
  5. Step 5: Solve for x
    x = 5,080,998,781.27/33,009.75
  6. Step 6: Final answer
    x = 153,924.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.