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Finding the Third Proportional to 939,168 and 2,031,480

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Solution

The third proportional to 939,168 and 2,031,480 is: 4,394,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,168 : 2,031,480 = 2,031,480 : x
  2. Step 2: Convert to fraction form
    939,168/2,031,480 = 2,031,480/x
  3. Step 3: Cross multiply
    939,168x = 2,031,480 × 2,031,480
  4. Step 4: Simplify right side
    939,168x = 4,126,910,990,400
  5. Step 5: Solve for x
    x = 4,126,910,990,400/939,168
  6. Step 6: Final answer
    x = 4,394,220.19

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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.