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Finding the Third Proportional to 11,289 and 17,579.81

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Solution

The third proportional to 11,289 and 17,579.81 is: 27,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289 : 17,579.81 = 17,579.81 : x
  2. Step 2: Convert to fraction form
    11,289/17,579.81 = 17,579.81/x
  3. Step 3: Cross multiply
    11,289x = 17,579.81 × 17,579.81
  4. Step 4: Simplify right side
    11,289x = 309,049,807.54
  5. Step 5: Solve for x
    x = 309,049,807.54/11,289
  6. Step 6: Final answer
    x = 27,376.19

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.