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Finding the Third Proportional to 422,860.50 and 880,713

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Solution

The third proportional to 422,860.50 and 880,713 is: 1,834,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,860.50 : 880,713 = 880,713 : x
  2. Step 2: Convert to fraction form
    422,860.50/880,713 = 880,713/x
  3. Step 3: Cross multiply
    422,860.50x = 880,713 × 880,713
  4. Step 4: Simplify right side
    422,860.50x = 775,655,388,369
  5. Step 5: Solve for x
    x = 775,655,388,369/422,860.50
  6. Step 6: Final answer
    x = 1,834,305.61

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.