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Finding the Third Proportional to 11,944.13 and 15,418.69

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Solution

The third proportional to 11,944.13 and 15,418.69 is: 19,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.13 : 15,418.69 = 15,418.69 : x
  2. Step 2: Convert to fraction form
    11,944.13/15,418.69 = 15,418.69/x
  3. Step 3: Cross multiply
    11,944.13x = 15,418.69 × 15,418.69
  4. Step 4: Simplify right side
    11,944.13x = 237,735,924.22
  5. Step 5: Solve for x
    x = 237,735,924.22/11,944.13
  6. Step 6: Final answer
    x = 19,904.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.