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Finding the Third Proportional to 382,918 and 835,466

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Solution

The third proportional to 382,918 and 835,466 is: 1,822,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,918 : 835,466 = 835,466 : x
  2. Step 2: Convert to fraction form
    382,918/835,466 = 835,466/x
  3. Step 3: Cross multiply
    382,918x = 835,466 × 835,466
  4. Step 4: Simplify right side
    382,918x = 698,003,437,156
  5. Step 5: Solve for x
    x = 698,003,437,156/382,918
  6. Step 6: Final answer
    x = 1,822,853.55

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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.