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Finding the Third Proportional to 1,702,978 and 2,561,615

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Solution

The third proportional to 1,702,978 and 2,561,615 is: 3,853,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,978 : 2,561,615 = 2,561,615 : x
  2. Step 2: Convert to fraction form
    1,702,978/2,561,615 = 2,561,615/x
  3. Step 3: Cross multiply
    1,702,978x = 2,561,615 × 2,561,615
  4. Step 4: Simplify right side
    1,702,978x = 6,561,871,408,225
  5. Step 5: Solve for x
    x = 6,561,871,408,225/1,702,978
  6. Step 6: Final answer
    x = 3,853,174.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.