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Finding the Third Proportional to 885,638 and 1,409,912

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Solution

The third proportional to 885,638 and 1,409,912 is: 2,244,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,638 : 1,409,912 = 1,409,912 : x
  2. Step 2: Convert to fraction form
    885,638/1,409,912 = 1,409,912/x
  3. Step 3: Cross multiply
    885,638x = 1,409,912 × 1,409,912
  4. Step 4: Simplify right side
    885,638x = 1,987,851,847,744
  5. Step 5: Solve for x
    x = 1,987,851,847,744/885,638
  6. Step 6: Final answer
    x = 2,244,542.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.