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Finding the Third Proportional to 13,796 and 19,290

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Solution

The third proportional to 13,796 and 19,290 is: 26,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796 : 19,290 = 19,290 : x
  2. Step 2: Convert to fraction form
    13,796/19,290 = 19,290/x
  3. Step 3: Cross multiply
    13,796x = 19,290 × 19,290
  4. Step 4: Simplify right side
    13,796x = 372,104,100
  5. Step 5: Solve for x
    x = 372,104,100/13,796
  6. Step 6: Final answer
    x = 26,971.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.