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Finding the Third Proportional to 184,398 and 278,292.75

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Solution

The third proportional to 184,398 and 278,292.75 is: 419,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,398 : 278,292.75 = 278,292.75 : x
  2. Step 2: Convert to fraction form
    184,398/278,292.75 = 278,292.75/x
  3. Step 3: Cross multiply
    184,398x = 278,292.75 × 278,292.75
  4. Step 4: Simplify right side
    184,398x = 77,446,854,702.56
  5. Step 5: Solve for x
    x = 77,446,854,702.56/184,398
  6. Step 6: Final answer
    x = 419,998.34

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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.