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Finding the Third Proportional to 135,893.50 and 319,749

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Solution

The third proportional to 135,893.50 and 319,749 is: 752,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,893.50 : 319,749 = 319,749 : x
  2. Step 2: Convert to fraction form
    135,893.50/319,749 = 319,749/x
  3. Step 3: Cross multiply
    135,893.50x = 319,749 × 319,749
  4. Step 4: Simplify right side
    135,893.50x = 102,239,423,001
  5. Step 5: Solve for x
    x = 102,239,423,001/135,893.50
  6. Step 6: Final answer
    x = 752,349.62

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.