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Finding the Third Proportional to 471,917 and 707,926

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Solution

The third proportional to 471,917 and 707,926 is: 1,061,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,917 : 707,926 = 707,926 : x
  2. Step 2: Convert to fraction form
    471,917/707,926 = 707,926/x
  3. Step 3: Cross multiply
    471,917x = 707,926 × 707,926
  4. Step 4: Simplify right side
    471,917x = 501,159,221,476
  5. Step 5: Solve for x
    x = 501,159,221,476/471,917
  6. Step 6: Final answer
    x = 1,061,964.76

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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.