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Finding the Third Proportional to 165,480.75 and 357,198.75

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Solution

The third proportional to 165,480.75 and 357,198.75 is: 771,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,480.75 : 357,198.75 = 357,198.75 : x
  2. Step 2: Convert to fraction form
    165,480.75/357,198.75 = 357,198.75/x
  3. Step 3: Cross multiply
    165,480.75x = 357,198.75 × 357,198.75
  4. Step 4: Simplify right side
    165,480.75x = 127,590,947,001.56
  5. Step 5: Solve for x
    x = 127,590,947,001.56/165,480.75
  6. Step 6: Final answer
    x = 771,031.96

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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.