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Finding the Third Proportional to 682,378 and 1,586,329

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Solution

The third proportional to 682,378 and 1,586,329 is: 3,687,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,378 : 1,586,329 = 1,586,329 : x
  2. Step 2: Convert to fraction form
    682,378/1,586,329 = 1,586,329/x
  3. Step 3: Cross multiply
    682,378x = 1,586,329 × 1,586,329
  4. Step 4: Simplify right side
    682,378x = 2,516,439,696,241
  5. Step 5: Solve for x
    x = 2,516,439,696,241/682,378
  6. Step 6: Final answer
    x = 3,687,750.33

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.