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Finding the Third Proportional to 76,299.75 and 165,735

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Solution

The third proportional to 76,299.75 and 165,735 is: 360,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,299.75 : 165,735 = 165,735 : x
  2. Step 2: Convert to fraction form
    76,299.75/165,735 = 165,735/x
  3. Step 3: Cross multiply
    76,299.75x = 165,735 × 165,735
  4. Step 4: Simplify right side
    76,299.75x = 27,468,090,225
  5. Step 5: Solve for x
    x = 27,468,090,225/76,299.75
  6. Step 6: Final answer
    x = 360,002.36

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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.