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Finding the Third Proportional to 79,618.50 and 159,237

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Solution

The third proportional to 79,618.50 and 159,237 is: 318,474

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618.50 : 159,237 = 159,237 : x
  2. Step 2: Convert to fraction form
    79,618.50/159,237 = 159,237/x
  3. Step 3: Cross multiply
    79,618.50x = 159,237 × 159,237
  4. Step 4: Simplify right side
    79,618.50x = 25,356,422,169
  5. Step 5: Solve for x
    x = 25,356,422,169/79,618.50
  6. Step 6: Final answer
    x = 318,474

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.