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Finding the Third Proportional to 63,879.19 and 134,379

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Solution

The third proportional to 63,879.19 and 134,379 is: 282,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,879.19 : 134,379 = 134,379 : x
  2. Step 2: Convert to fraction form
    63,879.19/134,379 = 134,379/x
  3. Step 3: Cross multiply
    63,879.19x = 134,379 × 134,379
  4. Step 4: Simplify right side
    63,879.19x = 18,057,715,641
  5. Step 5: Solve for x
    x = 18,057,715,641/63,879.19
  6. Step 6: Final answer
    x = 282,685.43

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.