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Finding the Third Proportional to 115,890.75 and 179,349.19

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Solution

The third proportional to 115,890.75 and 179,349.19 is: 277,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,890.75 : 179,349.19 = 179,349.19 : x
  2. Step 2: Convert to fraction form
    115,890.75/179,349.19 = 179,349.19/x
  3. Step 3: Cross multiply
    115,890.75x = 179,349.19 × 179,349.19
  4. Step 4: Simplify right side
    115,890.75x = 32,166,131,056.91
  5. Step 5: Solve for x
    x = 32,166,131,056.91/115,890.75
  6. Step 6: Final answer
    x = 277,555.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.