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Finding the Third Proportional to 725,554 and 1,575,390

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Solution

The third proportional to 725,554 and 1,575,390 is: 3,420,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,554 : 1,575,390 = 1,575,390 : x
  2. Step 2: Convert to fraction form
    725,554/1,575,390 = 1,575,390/x
  3. Step 3: Cross multiply
    725,554x = 1,575,390 × 1,575,390
  4. Step 4: Simplify right side
    725,554x = 2,481,853,652,100
  5. Step 5: Solve for x
    x = 2,481,853,652,100/725,554
  6. Step 6: Final answer
    x = 3,420,632.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.