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Finding the Third Proportional to 9,147.94 and 18,883.13

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Solution

The third proportional to 9,147.94 and 18,883.13 is: 38,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.94 : 18,883.13 = 18,883.13 : x
  2. Step 2: Convert to fraction form
    9,147.94/18,883.13 = 18,883.13/x
  3. Step 3: Cross multiply
    9,147.94x = 18,883.13 × 18,883.13
  4. Step 4: Simplify right side
    9,147.94x = 356,572,409.77
  5. Step 5: Solve for x
    x = 356,572,409.77/9,147.94
  6. Step 6: Final answer
    x = 38,978.45

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.