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Finding the Third Proportional to 222,180 and 317,494

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Solution

The third proportional to 222,180 and 317,494 is: 453,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,180 : 317,494 = 317,494 : x
  2. Step 2: Convert to fraction form
    222,180/317,494 = 317,494/x
  3. Step 3: Cross multiply
    222,180x = 317,494 × 317,494
  4. Step 4: Simplify right side
    222,180x = 100,802,440,036
  5. Step 5: Solve for x
    x = 100,802,440,036/222,180
  6. Step 6: Final answer
    x = 453,697.18

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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.