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Finding the Third Proportional to 76,883 and 165,263

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Solution

The third proportional to 76,883 and 165,263 is: 355,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,883 : 165,263 = 165,263 : x
  2. Step 2: Convert to fraction form
    76,883/165,263 = 165,263/x
  3. Step 3: Cross multiply
    76,883x = 165,263 × 165,263
  4. Step 4: Simplify right side
    76,883x = 27,311,859,169
  5. Step 5: Solve for x
    x = 27,311,859,169/76,883
  6. Step 6: Final answer
    x = 355,239.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.