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Finding the Third Proportional to 238,187.25 and 338,566.50

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Solution

The third proportional to 238,187.25 and 338,566.50 is: 481,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,187.25 : 338,566.50 = 338,566.50 : x
  2. Step 2: Convert to fraction form
    238,187.25/338,566.50 = 338,566.50/x
  3. Step 3: Cross multiply
    238,187.25x = 338,566.50 × 338,566.50
  4. Step 4: Simplify right side
    238,187.25x = 114,627,274,922.25
  5. Step 5: Solve for x
    x = 114,627,274,922.25/238,187.25
  6. Step 6: Final answer
    x = 481,248.58

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.