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Finding the Third Proportional to 728,176.50 and 1,130,604.75

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Solution

The third proportional to 728,176.50 and 1,130,604.75 is: 1,755,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,176.50 : 1,130,604.75 = 1,130,604.75 : x
  2. Step 2: Convert to fraction form
    728,176.50/1,130,604.75 = 1,130,604.75/x
  3. Step 3: Cross multiply
    728,176.50x = 1,130,604.75 × 1,130,604.75
  4. Step 4: Simplify right side
    728,176.50x = 1,278,267,100,722.56
  5. Step 5: Solve for x
    x = 1,278,267,100,722.56/728,176.50
  6. Step 6: Final answer
    x = 1,755,435.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.