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Finding the Third Proportional to 222,159 and 317,466.75

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Solution

The third proportional to 222,159 and 317,466.75 is: 453,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,159 : 317,466.75 = 317,466.75 : x
  2. Step 2: Convert to fraction form
    222,159/317,466.75 = 317,466.75/x
  3. Step 3: Cross multiply
    222,159x = 317,466.75 × 317,466.75
  4. Step 4: Simplify right side
    222,159x = 100,785,137,355.56
  5. Step 5: Solve for x
    x = 100,785,137,355.56/222,159
  6. Step 6: Final answer
    x = 453,662.18

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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.