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Finding the Third Proportional to 222,150 and 317,448

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Solution

The third proportional to 222,150 and 317,448 is: 453,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,150 : 317,448 = 317,448 : x
  2. Step 2: Convert to fraction form
    222,150/317,448 = 317,448/x
  3. Step 3: Cross multiply
    222,150x = 317,448 × 317,448
  4. Step 4: Simplify right side
    222,150x = 100,773,232,704
  5. Step 5: Solve for x
    x = 100,773,232,704/222,150
  6. Step 6: Final answer
    x = 453,626.98

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.