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Finding the Third Proportional to 221,710.92 and 338,102.23

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Solution

The third proportional to 221,710.92 and 338,102.23 is: 515,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,710.92 : 338,102.23 = 338,102.23 : x
  2. Step 2: Convert to fraction form
    221,710.92/338,102.23 = 338,102.23/x
  3. Step 3: Cross multiply
    221,710.92x = 338,102.23 × 338,102.23
  4. Step 4: Simplify right side
    221,710.92x = 114,313,115,606.52
  5. Step 5: Solve for x
    x = 114,313,115,606.52/221,710.92
  6. Step 6: Final answer
    x = 515,595.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.