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Finding the Third Proportional to 221,003.25 and 339,895.13

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Solution

The third proportional to 221,003.25 and 339,895.13 is: 522,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,003.25 : 339,895.13 = 339,895.13 : x
  2. Step 2: Convert to fraction form
    221,003.25/339,895.13 = 339,895.13/x
  3. Step 3: Cross multiply
    221,003.25x = 339,895.13 × 339,895.13
  4. Step 4: Simplify right side
    221,003.25x = 115,528,695,998.77
  5. Step 5: Solve for x
    x = 115,528,695,998.77/221,003.25
  6. Step 6: Final answer
    x = 522,746.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.