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Finding the Third Proportional to 64,739.25 and 141,246.75

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Solution

The third proportional to 64,739.25 and 141,246.75 is: 308,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,739.25 : 141,246.75 = 141,246.75 : x
  2. Step 2: Convert to fraction form
    64,739.25/141,246.75 = 141,246.75/x
  3. Step 3: Cross multiply
    64,739.25x = 141,246.75 × 141,246.75
  4. Step 4: Simplify right side
    64,739.25x = 19,950,644,385.56
  5. Step 5: Solve for x
    x = 19,950,644,385.56/64,739.25
  6. Step 6: Final answer
    x = 308,169.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.