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Finding the Third Proportional to 33,242 and 71,702

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Solution

The third proportional to 33,242 and 71,702 is: 154,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,242 : 71,702 = 71,702 : x
  2. Step 2: Convert to fraction form
    33,242/71,702 = 71,702/x
  3. Step 3: Cross multiply
    33,242x = 71,702 × 71,702
  4. Step 4: Simplify right side
    33,242x = 5,141,176,804
  5. Step 5: Solve for x
    x = 5,141,176,804/33,242
  6. Step 6: Final answer
    x = 154,659.07

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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.