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Finding the Third Proportional to 676,180 and 1,427,811

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Solution

The third proportional to 676,180 and 1,427,811 is: 3,014,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,180 : 1,427,811 = 1,427,811 : x
  2. Step 2: Convert to fraction form
    676,180/1,427,811 = 1,427,811/x
  3. Step 3: Cross multiply
    676,180x = 1,427,811 × 1,427,811
  4. Step 4: Simplify right side
    676,180x = 2,038,644,251,721
  5. Step 5: Solve for x
    x = 2,038,644,251,721/676,180
  6. Step 6: Final answer
    x = 3,014,943.14

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.