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Finding the Third Proportional to 479,656 and 1,031,891

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Solution

The third proportional to 479,656 and 1,031,891 is: 2,219,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,656 : 1,031,891 = 1,031,891 : x
  2. Step 2: Convert to fraction form
    479,656/1,031,891 = 1,031,891/x
  3. Step 3: Cross multiply
    479,656x = 1,031,891 × 1,031,891
  4. Step 4: Simplify right side
    479,656x = 1,064,799,035,881
  5. Step 5: Solve for x
    x = 1,064,799,035,881/479,656
  6. Step 6: Final answer
    x = 2,219,922.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.