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Finding the Third Proportional to 989,182 and 1,488,413

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Solution

The third proportional to 989,182 and 1,488,413 is: 2,239,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,182 : 1,488,413 = 1,488,413 : x
  2. Step 2: Convert to fraction form
    989,182/1,488,413 = 1,488,413/x
  3. Step 3: Cross multiply
    989,182x = 1,488,413 × 1,488,413
  4. Step 4: Simplify right side
    989,182x = 2,215,373,258,569
  5. Step 5: Solve for x
    x = 2,215,373,258,569/989,182
  6. Step 6: Final answer
    x = 2,239,601.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.