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Finding the Third Proportional to 722,292 and 1,555,584

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Solution

The third proportional to 722,292 and 1,555,584 is: 3,350,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,292 : 1,555,584 = 1,555,584 : x
  2. Step 2: Convert to fraction form
    722,292/1,555,584 = 1,555,584/x
  3. Step 3: Cross multiply
    722,292x = 1,555,584 × 1,555,584
  4. Step 4: Simplify right side
    722,292x = 2,419,841,581,056
  5. Step 5: Solve for x
    x = 2,419,841,581,056/722,292
  6. Step 6: Final answer
    x = 3,350,226.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.