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Finding the Third Proportional to 67,074.75 and 148,911.75

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Solution

The third proportional to 67,074.75 and 148,911.75 is: 330,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,074.75 : 148,911.75 = 148,911.75 : x
  2. Step 2: Convert to fraction form
    67,074.75/148,911.75 = 148,911.75/x
  3. Step 3: Cross multiply
    67,074.75x = 148,911.75 × 148,911.75
  4. Step 4: Simplify right side
    67,074.75x = 22,174,709,288.06
  5. Step 5: Solve for x
    x = 22,174,709,288.06/67,074.75
  6. Step 6: Final answer
    x = 330,596.97

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.