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Finding the Third Proportional to 222,651 and 453,078

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Solution

The third proportional to 222,651 and 453,078 is: 921,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,651 : 453,078 = 453,078 : x
  2. Step 2: Convert to fraction form
    222,651/453,078 = 453,078/x
  3. Step 3: Cross multiply
    222,651x = 453,078 × 453,078
  4. Step 4: Simplify right side
    222,651x = 205,279,674,084
  5. Step 5: Solve for x
    x = 205,279,674,084/222,651
  6. Step 6: Final answer
    x = 921,979.57

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.