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Finding the Third Proportional to 115,555.50 and 247,422.75

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Solution

The third proportional to 115,555.50 and 247,422.75 is: 529,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,555.50 : 247,422.75 = 247,422.75 : x
  2. Step 2: Convert to fraction form
    115,555.50/247,422.75 = 247,422.75/x
  3. Step 3: Cross multiply
    115,555.50x = 247,422.75 × 247,422.75
  4. Step 4: Simplify right side
    115,555.50x = 61,218,017,217.56
  5. Step 5: Solve for x
    x = 61,218,017,217.56/115,555.50
  6. Step 6: Final answer
    x = 529,771.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.