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Finding the Third Proportional to 68,088 and 149,613.75

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Solution

The third proportional to 68,088 and 149,613.75 is: 328,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088 : 149,613.75 = 149,613.75 : x
  2. Step 2: Convert to fraction form
    68,088/149,613.75 = 149,613.75/x
  3. Step 3: Cross multiply
    68,088x = 149,613.75 × 149,613.75
  4. Step 4: Simplify right side
    68,088x = 22,384,274,189.06
  5. Step 5: Solve for x
    x = 22,384,274,189.06/68,088
  6. Step 6: Final answer
    x = 328,755.06

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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.