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Finding the Third Proportional to 9,048 and 18,778

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Solution

The third proportional to 9,048 and 18,778 is: 38,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048 : 18,778 = 18,778 : x
  2. Step 2: Convert to fraction form
    9,048/18,778 = 18,778/x
  3. Step 3: Cross multiply
    9,048x = 18,778 × 18,778
  4. Step 4: Simplify right side
    9,048x = 352,613,284
  5. Step 5: Solve for x
    x = 352,613,284/9,048
  6. Step 6: Final answer
    x = 38,971.41

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.