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Finding the Third Proportional to 382,620 and 834,132

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Solution

The third proportional to 382,620 and 834,132 is: 1,818,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,620 : 834,132 = 834,132 : x
  2. Step 2: Convert to fraction form
    382,620/834,132 = 834,132/x
  3. Step 3: Cross multiply
    382,620x = 834,132 × 834,132
  4. Step 4: Simplify right side
    382,620x = 695,776,193,424
  5. Step 5: Solve for x
    x = 695,776,193,424/382,620
  6. Step 6: Final answer
    x = 1,818,452.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.