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Finding the Third Proportional to 13,280 and 19,199

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Solution

The third proportional to 13,280 and 19,199 is: 27,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280 : 19,199 = 19,199 : x
  2. Step 2: Convert to fraction form
    13,280/19,199 = 19,199/x
  3. Step 3: Cross multiply
    13,280x = 19,199 × 19,199
  4. Step 4: Simplify right side
    13,280x = 368,601,601
  5. Step 5: Solve for x
    x = 368,601,601/13,280
  6. Step 6: Final answer
    x = 27,756.14

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.