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Finding the Third Proportional to 344,069 and 521,288

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Solution

The third proportional to 344,069 and 521,288 is: 789,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,069 : 521,288 = 521,288 : x
  2. Step 2: Convert to fraction form
    344,069/521,288 = 521,288/x
  3. Step 3: Cross multiply
    344,069x = 521,288 × 521,288
  4. Step 4: Simplify right side
    344,069x = 271,741,178,944
  5. Step 5: Solve for x
    x = 271,741,178,944/344,069
  6. Step 6: Final answer
    x = 789,786.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.