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Finding the Third Proportional to 193,023.75 and 278,462.25

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Solution

The third proportional to 193,023.75 and 278,462.25 is: 401,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,023.75 : 278,462.25 = 278,462.25 : x
  2. Step 2: Convert to fraction form
    193,023.75/278,462.25 = 278,462.25/x
  3. Step 3: Cross multiply
    193,023.75x = 278,462.25 × 278,462.25
  4. Step 4: Simplify right side
    193,023.75x = 77,541,224,675.06
  5. Step 5: Solve for x
    x = 77,541,224,675.06/193,023.75
  6. Step 6: Final answer
    x = 401,718.57

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.