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Finding the Third Proportional to 115,615.88 and 252,186.56

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Solution

The third proportional to 115,615.88 and 252,186.56 is: 550,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,615.88 : 252,186.56 = 252,186.56 : x
  2. Step 2: Convert to fraction form
    115,615.88/252,186.56 = 252,186.56/x
  3. Step 3: Cross multiply
    115,615.88x = 252,186.56 × 252,186.56
  4. Step 4: Simplify right side
    115,615.88x = 63,598,062,305.57
  5. Step 5: Solve for x
    x = 63,598,062,305.57/115,615.88
  6. Step 6: Final answer
    x = 550,080.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.