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Finding the Third Proportional to 116,709.75 and 180,240.75

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Solution

The third proportional to 116,709.75 and 180,240.75 is: 278,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,709.75 : 180,240.75 = 180,240.75 : x
  2. Step 2: Convert to fraction form
    116,709.75/180,240.75 = 180,240.75/x
  3. Step 3: Cross multiply
    116,709.75x = 180,240.75 × 180,240.75
  4. Step 4: Simplify right side
    116,709.75x = 32,486,727,960.56
  5. Step 5: Solve for x
    x = 32,486,727,960.56/116,709.75
  6. Step 6: Final answer
    x = 278,354.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.