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Finding the Third Proportional to 76,486.50 and 164,044.50

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Solution

The third proportional to 76,486.50 and 164,044.50 is: 351,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,486.50 : 164,044.50 = 164,044.50 : x
  2. Step 2: Convert to fraction form
    76,486.50/164,044.50 = 164,044.50/x
  3. Step 3: Cross multiply
    76,486.50x = 164,044.50 × 164,044.50
  4. Step 4: Simplify right side
    76,486.50x = 26,910,597,980.25
  5. Step 5: Solve for x
    x = 26,910,597,980.25/76,486.50
  6. Step 6: Final answer
    x = 351,834.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.