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Finding the Third Proportional to 382,646 and 834,190

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Solution

The third proportional to 382,646 and 834,190 is: 1,818,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,646 : 834,190 = 834,190 : x
  2. Step 2: Convert to fraction form
    382,646/834,190 = 834,190/x
  3. Step 3: Cross multiply
    382,646x = 834,190 × 834,190
  4. Step 4: Simplify right side
    382,646x = 695,872,956,100
  5. Step 5: Solve for x
    x = 695,872,956,100/382,646
  6. Step 6: Final answer
    x = 1,818,581.55

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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.