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Finding the Third Proportional to 222,348 and 486,856

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Solution

The third proportional to 222,348 and 486,856 is: 1,066,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,348 : 486,856 = 486,856 : x
  2. Step 2: Convert to fraction form
    222,348/486,856 = 486,856/x
  3. Step 3: Cross multiply
    222,348x = 486,856 × 486,856
  4. Step 4: Simplify right side
    222,348x = 237,028,764,736
  5. Step 5: Solve for x
    x = 237,028,764,736/222,348
  6. Step 6: Final answer
    x = 1,066,026.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.