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Finding the Third Proportional to 67,894.50 and 149,161.50

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Solution

The third proportional to 67,894.50 and 149,161.50 is: 327,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,894.50 : 149,161.50 = 149,161.50 : x
  2. Step 2: Convert to fraction form
    67,894.50/149,161.50 = 149,161.50/x
  3. Step 3: Cross multiply
    67,894.50x = 149,161.50 × 149,161.50
  4. Step 4: Simplify right side
    67,894.50x = 22,249,153,082.25
  5. Step 5: Solve for x
    x = 22,249,153,082.25/67,894.50
  6. Step 6: Final answer
    x = 327,701.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.