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Finding the Third Proportional to 260,556.75 and 412,917.75

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Solution

The third proportional to 260,556.75 and 412,917.75 is: 654,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,556.75 : 412,917.75 = 412,917.75 : x
  2. Step 2: Convert to fraction form
    260,556.75/412,917.75 = 412,917.75/x
  3. Step 3: Cross multiply
    260,556.75x = 412,917.75 × 412,917.75
  4. Step 4: Simplify right side
    260,556.75x = 170,501,068,265.06
  5. Step 5: Solve for x
    x = 170,501,068,265.06/260,556.75
  6. Step 6: Final answer
    x = 654,372.10

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.