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Finding the Third Proportional to 939,231 and 2,031,605

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Solution

The third proportional to 939,231 and 2,031,605 is: 4,394,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,231 : 2,031,605 = 2,031,605 : x
  2. Step 2: Convert to fraction form
    939,231/2,031,605 = 2,031,605/x
  3. Step 3: Cross multiply
    939,231x = 2,031,605 × 2,031,605
  4. Step 4: Simplify right side
    939,231x = 4,127,418,876,025
  5. Step 5: Solve for x
    x = 4,127,418,876,025/939,231
  6. Step 6: Final answer
    x = 4,394,466.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.