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Finding the Third Proportional to 17,269.50 and 36,909

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Solution

The third proportional to 17,269.50 and 36,909 is: 78,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,269.50 : 36,909 = 36,909 : x
  2. Step 2: Convert to fraction form
    17,269.50/36,909 = 36,909/x
  3. Step 3: Cross multiply
    17,269.50x = 36,909 × 36,909
  4. Step 4: Simplify right side
    17,269.50x = 1,362,274,281
  5. Step 5: Solve for x
    x = 1,362,274,281/17,269.50
  6. Step 6: Final answer
    x = 78,883.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.