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Finding the Third Proportional to 222,176.75 and 317,490.25

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Solution

The third proportional to 222,176.75 and 317,490.25 is: 453,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,176.75 : 317,490.25 = 317,490.25 : x
  2. Step 2: Convert to fraction form
    222,176.75/317,490.25 = 317,490.25/x
  3. Step 3: Cross multiply
    222,176.75x = 317,490.25 × 317,490.25
  4. Step 4: Simplify right side
    222,176.75x = 100,800,058,845.06
  5. Step 5: Solve for x
    x = 100,800,058,845.06/222,176.75
  6. Step 6: Final answer
    x = 453,693.10

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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.