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Finding the Third Proportional to 871,002 and 1,368,720

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Solution

The third proportional to 871,002 and 1,368,720 is: 2,150,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,002 : 1,368,720 = 1,368,720 : x
  2. Step 2: Convert to fraction form
    871,002/1,368,720 = 1,368,720/x
  3. Step 3: Cross multiply
    871,002x = 1,368,720 × 1,368,720
  4. Step 4: Simplify right side
    871,002x = 1,873,394,438,400
  5. Step 5: Solve for x
    x = 1,873,394,438,400/871,002
  6. Step 6: Final answer
    x = 2,150,849.76

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.