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Finding the Third Proportional to 64,591.88 and 138,525.75

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Solution

The third proportional to 64,591.88 and 138,525.75 is: 297,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,591.88 : 138,525.75 = 138,525.75 : x
  2. Step 2: Convert to fraction form
    64,591.88/138,525.75 = 138,525.75/x
  3. Step 3: Cross multiply
    64,591.88x = 138,525.75 × 138,525.75
  4. Step 4: Simplify right side
    64,591.88x = 19,189,383,413.06
  5. Step 5: Solve for x
    x = 19,189,383,413.06/64,591.88
  6. Step 6: Final answer
    x = 297,086.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.