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Finding the Third Proportional to 209,238 and 453,238

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Solution

The third proportional to 209,238 and 453,238 is: 981,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,238 : 453,238 = 453,238 : x
  2. Step 2: Convert to fraction form
    209,238/453,238 = 453,238/x
  3. Step 3: Cross multiply
    209,238x = 453,238 × 453,238
  4. Step 4: Simplify right side
    209,238x = 205,424,684,644
  5. Step 5: Solve for x
    x = 205,424,684,644/209,238
  6. Step 6: Final answer
    x = 981,775.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.