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Finding the Third Proportional to 209,179.13 and 453,127.50

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Solution

The third proportional to 209,179.13 and 453,127.50 is: 981,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,179.13 : 453,127.50 = 453,127.50 : x
  2. Step 2: Convert to fraction form
    209,179.13/453,127.50 = 453,127.50/x
  3. Step 3: Cross multiply
    209,179.13x = 453,127.50 × 453,127.50
  4. Step 4: Simplify right side
    209,179.13x = 205,324,531,256.25
  5. Step 5: Solve for x
    x = 205,324,531,256.25/209,179.13
  6. Step 6: Final answer
    x = 981,572.76

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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.