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Finding the Third Proportional to 779,709 and 1,692,825

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Solution

The third proportional to 779,709 and 1,692,825 is: 3,675,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,709 : 1,692,825 = 1,692,825 : x
  2. Step 2: Convert to fraction form
    779,709/1,692,825 = 1,692,825/x
  3. Step 3: Cross multiply
    779,709x = 1,692,825 × 1,692,825
  4. Step 4: Simplify right side
    779,709x = 2,865,656,480,625
  5. Step 5: Solve for x
    x = 2,865,656,480,625/779,709
  6. Step 6: Final answer
    x = 3,675,289.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.