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Finding the Third Proportional to 722,282 and 1,555,564

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Solution

The third proportional to 722,282 and 1,555,564 is: 3,350,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,282 : 1,555,564 = 1,555,564 : x
  2. Step 2: Convert to fraction form
    722,282/1,555,564 = 1,555,564/x
  3. Step 3: Cross multiply
    722,282x = 1,555,564 × 1,555,564
  4. Step 4: Simplify right side
    722,282x = 2,419,779,358,096
  5. Step 5: Solve for x
    x = 2,419,779,358,096/722,282
  6. Step 6: Final answer
    x = 3,350,186.43

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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.