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Finding the Third Proportional to 221,239.13 and 335,936.25

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Solution

The third proportional to 221,239.13 and 335,936.25 is: 510,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,239.13 : 335,936.25 = 335,936.25 : x
  2. Step 2: Convert to fraction form
    221,239.13/335,936.25 = 335,936.25/x
  3. Step 3: Cross multiply
    221,239.13x = 335,936.25 × 335,936.25
  4. Step 4: Simplify right side
    221,239.13x = 112,853,164,064.06
  5. Step 5: Solve for x
    x = 112,853,164,064.06/221,239.13
  6. Step 6: Final answer
    x = 510,095.87

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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.