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Finding the Third Proportional to 1,005,885 and 2,168,586

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Solution

The third proportional to 1,005,885 and 2,168,586 is: 4,675,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,885 : 2,168,586 = 2,168,586 : x
  2. Step 2: Convert to fraction form
    1,005,885/2,168,586 = 2,168,586/x
  3. Step 3: Cross multiply
    1,005,885x = 2,168,586 × 2,168,586
  4. Step 4: Simplify right side
    1,005,885x = 4,702,765,239,396
  5. Step 5: Solve for x
    x = 4,702,765,239,396/1,005,885
  6. Step 6: Final answer
    x = 4,675,251.38

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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.