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Finding the Third Proportional to 1,328,503 and 2,912,341

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Solution

The third proportional to 1,328,503 and 2,912,341 is: 6,384,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,503 : 2,912,341 = 2,912,341 : x
  2. Step 2: Convert to fraction form
    1,328,503/2,912,341 = 2,912,341/x
  3. Step 3: Cross multiply
    1,328,503x = 2,912,341 × 2,912,341
  4. Step 4: Simplify right side
    1,328,503x = 8,481,730,100,281
  5. Step 5: Solve for x
    x = 8,481,730,100,281/1,328,503
  6. Step 6: Final answer
    x = 6,384,426.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.