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Finding the Third Proportional to 11,358 and 18,013

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Solution

The third proportional to 11,358 and 18,013 is: 28,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358 : 18,013 = 18,013 : x
  2. Step 2: Convert to fraction form
    11,358/18,013 = 18,013/x
  3. Step 3: Cross multiply
    11,358x = 18,013 × 18,013
  4. Step 4: Simplify right side
    11,358x = 324,468,169
  5. Step 5: Solve for x
    x = 324,468,169/11,358
  6. Step 6: Final answer
    x = 28,567.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.