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Finding the Third Proportional to 9,160.50 and 18,807

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Solution

The third proportional to 9,160.50 and 18,807 is: 38,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.50 : 18,807 = 18,807 : x
  2. Step 2: Convert to fraction form
    9,160.50/18,807 = 18,807/x
  3. Step 3: Cross multiply
    9,160.50x = 18,807 × 18,807
  4. Step 4: Simplify right side
    9,160.50x = 353,703,249
  5. Step 5: Solve for x
    x = 353,703,249/9,160.50
  6. Step 6: Final answer
    x = 38,611.78

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.