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Finding the Third Proportional to 939,205 and 2,031,554

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Solution

The third proportional to 939,205 and 2,031,554 is: 4,394,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,205 : 2,031,554 = 2,031,554 : x
  2. Step 2: Convert to fraction form
    939,205/2,031,554 = 2,031,554/x
  3. Step 3: Cross multiply
    939,205x = 2,031,554 × 2,031,554
  4. Step 4: Simplify right side
    939,205x = 4,127,211,654,916
  5. Step 5: Solve for x
    x = 4,127,211,654,916/939,205
  6. Step 6: Final answer
    x = 4,394,367.21

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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.