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Finding the Third Proportional to 611,885 and 1,325,446

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Solution

The third proportional to 611,885 and 1,325,446 is: 2,871,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,885 : 1,325,446 = 1,325,446 : x
  2. Step 2: Convert to fraction form
    611,885/1,325,446 = 1,325,446/x
  3. Step 3: Cross multiply
    611,885x = 1,325,446 × 1,325,446
  4. Step 4: Simplify right side
    611,885x = 1,756,807,098,916
  5. Step 5: Solve for x
    x = 1,756,807,098,916/611,885
  6. Step 6: Final answer
    x = 2,871,139.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.