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Finding the Third Proportional to 707,862 and 1,555,692

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Solution

The third proportional to 707,862 and 1,555,692 is: 3,418,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,862 : 1,555,692 = 1,555,692 : x
  2. Step 2: Convert to fraction form
    707,862/1,555,692 = 1,555,692/x
  3. Step 3: Cross multiply
    707,862x = 1,555,692 × 1,555,692
  4. Step 4: Simplify right side
    707,862x = 2,420,177,598,864
  5. Step 5: Solve for x
    x = 2,420,177,598,864/707,862
  6. Step 6: Final answer
    x = 3,418,996.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.