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Finding the Third Proportional to 216,873 and 469,941

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Solution

The third proportional to 216,873 and 469,941 is: 1,018,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,873 : 469,941 = 469,941 : x
  2. Step 2: Convert to fraction form
    216,873/469,941 = 469,941/x
  3. Step 3: Cross multiply
    216,873x = 469,941 × 469,941
  4. Step 4: Simplify right side
    216,873x = 220,844,543,481
  5. Step 5: Solve for x
    x = 220,844,543,481/216,873
  6. Step 6: Final answer
    x = 1,018,312.76

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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.