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Finding the Third Proportional to 7,360 and 11,109

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Solution

The third proportional to 7,360 and 11,109 is: 16,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360 : 11,109 = 11,109 : x
  2. Step 2: Convert to fraction form
    7,360/11,109 = 11,109/x
  3. Step 3: Cross multiply
    7,360x = 11,109 × 11,109
  4. Step 4: Simplify right side
    7,360x = 123,409,881
  5. Step 5: Solve for x
    x = 123,409,881/7,360
  6. Step 6: Final answer
    x = 16,767.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.