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Finding the Third Proportional to 980,691 and 2,124,132

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Solution

The third proportional to 980,691 and 2,124,132 is: 4,600,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,691 : 2,124,132 = 2,124,132 : x
  2. Step 2: Convert to fraction form
    980,691/2,124,132 = 2,124,132/x
  3. Step 3: Cross multiply
    980,691x = 2,124,132 × 2,124,132
  4. Step 4: Simplify right side
    980,691x = 4,511,936,753,424
  5. Step 5: Solve for x
    x = 4,511,936,753,424/980,691
  6. Step 6: Final answer
    x = 4,600,773.08

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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.