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Finding the Third Proportional to 367,069 and 516,925

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Solution

The third proportional to 367,069 and 516,925 is: 727,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,069 : 516,925 = 516,925 : x
  2. Step 2: Convert to fraction form
    367,069/516,925 = 516,925/x
  3. Step 3: Cross multiply
    367,069x = 516,925 × 516,925
  4. Step 4: Simplify right side
    367,069x = 267,211,455,625
  5. Step 5: Solve for x
    x = 267,211,455,625/367,069
  6. Step 6: Final answer
    x = 727,959.74

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.