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Finding the Third Proportional to 625,406 and 1,219,706

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Solution

The third proportional to 625,406 and 1,219,706 is: 2,378,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,406 : 1,219,706 = 1,219,706 : x
  2. Step 2: Convert to fraction form
    625,406/1,219,706 = 1,219,706/x
  3. Step 3: Cross multiply
    625,406x = 1,219,706 × 1,219,706
  4. Step 4: Simplify right side
    625,406x = 1,487,682,726,436
  5. Step 5: Solve for x
    x = 1,487,682,726,436/625,406
  6. Step 6: Final answer
    x = 2,378,747.13

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.