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Finding the Third Proportional to 76,687.88 and 164,037.38

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Solution

The third proportional to 76,687.88 and 164,037.38 is: 350,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687.88 : 164,037.38 = 164,037.38 : x
  2. Step 2: Convert to fraction form
    76,687.88/164,037.38 = 164,037.38/x
  3. Step 3: Cross multiply
    76,687.88x = 164,037.38 × 164,037.38
  4. Step 4: Simplify right side
    76,687.88x = 26,908,260,396.89
  5. Step 5: Solve for x
    x = 26,908,260,396.89/76,687.88
  6. Step 6: Final answer
    x = 350,880.25

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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.