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Finding the Third Proportional to 939,540 and 1,452,487

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Solution

The third proportional to 939,540 and 1,452,487 is: 2,245,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,540 : 1,452,487 = 1,452,487 : x
  2. Step 2: Convert to fraction form
    939,540/1,452,487 = 1,452,487/x
  3. Step 3: Cross multiply
    939,540x = 1,452,487 × 1,452,487
  4. Step 4: Simplify right side
    939,540x = 2,109,718,485,169
  5. Step 5: Solve for x
    x = 2,109,718,485,169/939,540
  6. Step 6: Final answer
    x = 2,245,480.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.