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Finding the Third Proportional to 68,613 and 149,850

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Solution

The third proportional to 68,613 and 149,850 is: 327,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,613 : 149,850 = 149,850 : x
  2. Step 2: Convert to fraction form
    68,613/149,850 = 149,850/x
  3. Step 3: Cross multiply
    68,613x = 149,850 × 149,850
  4. Step 4: Simplify right side
    68,613x = 22,455,022,500
  5. Step 5: Solve for x
    x = 22,455,022,500/68,613
  6. Step 6: Final answer
    x = 327,270.67

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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.