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Finding the Third Proportional to 183,519 and 258,439.50

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Solution

The third proportional to 183,519 and 258,439.50 is: 363,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,519 : 258,439.50 = 258,439.50 : x
  2. Step 2: Convert to fraction form
    183,519/258,439.50 = 258,439.50/x
  3. Step 3: Cross multiply
    183,519x = 258,439.50 × 258,439.50
  4. Step 4: Simplify right side
    183,519x = 66,790,975,160.25
  5. Step 5: Solve for x
    x = 66,790,975,160.25/183,519
  6. Step 6: Final answer
    x = 363,945.83

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.