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Finding the Third Proportional to 410,540 and 653,756

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Solution

The third proportional to 410,540 and 653,756 is: 1,041,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,540 : 653,756 = 653,756 : x
  2. Step 2: Convert to fraction form
    410,540/653,756 = 653,756/x
  3. Step 3: Cross multiply
    410,540x = 653,756 × 653,756
  4. Step 4: Simplify right side
    410,540x = 427,396,907,536
  5. Step 5: Solve for x
    x = 427,396,907,536/410,540
  6. Step 6: Final answer
    x = 1,041,060.33

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.