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Finding the Third Proportional to 121,544 and 183,993

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Solution

The third proportional to 121,544 and 183,993 is: 278,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,544 : 183,993 = 183,993 : x
  2. Step 2: Convert to fraction form
    121,544/183,993 = 183,993/x
  3. Step 3: Cross multiply
    121,544x = 183,993 × 183,993
  4. Step 4: Simplify right side
    121,544x = 33,853,424,049
  5. Step 5: Solve for x
    x = 33,853,424,049/121,544
  6. Step 6: Final answer
    x = 278,528.14

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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.