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Finding the Third Proportional to 1,998,179 and 4,376,638

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Solution

The third proportional to 1,998,179 and 4,376,638 is: 9,586,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,179 : 4,376,638 = 4,376,638 : x
  2. Step 2: Convert to fraction form
    1,998,179/4,376,638 = 4,376,638/x
  3. Step 3: Cross multiply
    1,998,179x = 4,376,638 × 4,376,638
  4. Step 4: Simplify right side
    1,998,179x = 19,154,960,183,044
  5. Step 5: Solve for x
    x = 19,154,960,183,044/1,998,179
  6. Step 6: Final answer
    x = 9,586,208.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.