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Finding the Third Proportional to 409,384 and 885,350

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Solution

The third proportional to 409,384 and 885,350 is: 1,914,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,384 : 885,350 = 885,350 : x
  2. Step 2: Convert to fraction form
    409,384/885,350 = 885,350/x
  3. Step 3: Cross multiply
    409,384x = 885,350 × 885,350
  4. Step 4: Simplify right side
    409,384x = 783,844,622,500
  5. Step 5: Solve for x
    x = 783,844,622,500/409,384
  6. Step 6: Final answer
    x = 1,914,692.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.