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Finding the Third Proportional to 64,050.75 and 138,793.50

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Solution

The third proportional to 64,050.75 and 138,793.50 is: 300,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,050.75 : 138,793.50 = 138,793.50 : x
  2. Step 2: Convert to fraction form
    64,050.75/138,793.50 = 138,793.50/x
  3. Step 3: Cross multiply
    64,050.75x = 138,793.50 × 138,793.50
  4. Step 4: Simplify right side
    64,050.75x = 19,263,635,642.25
  5. Step 5: Solve for x
    x = 19,263,635,642.25/64,050.75
  6. Step 6: Final answer
    x = 300,755.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.