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Finding the Third Proportional to 754,611 and 1,121,661

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Solution

The third proportional to 754,611 and 1,121,661 is: 1,667,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,611 : 1,121,661 = 1,121,661 : x
  2. Step 2: Convert to fraction form
    754,611/1,121,661 = 1,121,661/x
  3. Step 3: Cross multiply
    754,611x = 1,121,661 × 1,121,661
  4. Step 4: Simplify right side
    754,611x = 1,258,123,398,921
  5. Step 5: Solve for x
    x = 1,258,123,398,921/754,611
  6. Step 6: Final answer
    x = 1,667,247.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.