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Finding the Third Proportional to 79,098.75 and 172,662.75

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Solution

The third proportional to 79,098.75 and 172,662.75 is: 376,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,098.75 : 172,662.75 = 172,662.75 : x
  2. Step 2: Convert to fraction form
    79,098.75/172,662.75 = 172,662.75/x
  3. Step 3: Cross multiply
    79,098.75x = 172,662.75 × 172,662.75
  4. Step 4: Simplify right side
    79,098.75x = 29,812,425,237.56
  5. Step 5: Solve for x
    x = 29,812,425,237.56/79,098.75
  6. Step 6: Final answer
    x = 376,901.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.