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Finding the Third Proportional to 67,135.50 and 146,259

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Solution

The third proportional to 67,135.50 and 146,259 is: 318,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,135.50 : 146,259 = 146,259 : x
  2. Step 2: Convert to fraction form
    67,135.50/146,259 = 146,259/x
  3. Step 3: Cross multiply
    67,135.50x = 146,259 × 146,259
  4. Step 4: Simplify right side
    67,135.50x = 21,391,695,081
  5. Step 5: Solve for x
    x = 21,391,695,081/67,135.50
  6. Step 6: Final answer
    x = 318,634.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.