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Finding the Third Proportional to 215,613 and 453,568

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Solution

The third proportional to 215,613 and 453,568 is: 954,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,613 : 453,568 = 453,568 : x
  2. Step 2: Convert to fraction form
    215,613/453,568 = 453,568/x
  3. Step 3: Cross multiply
    215,613x = 453,568 × 453,568
  4. Step 4: Simplify right side
    215,613x = 205,723,930,624
  5. Step 5: Solve for x
    x = 205,723,930,624/215,613
  6. Step 6: Final answer
    x = 954,135.10

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.