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Finding the Third Proportional to 146,927.50 and 218,231

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Solution

The third proportional to 146,927.50 and 218,231 is: 324,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,927.50 : 218,231 = 218,231 : x
  2. Step 2: Convert to fraction form
    146,927.50/218,231 = 218,231/x
  3. Step 3: Cross multiply
    146,927.50x = 218,231 × 218,231
  4. Step 4: Simplify right side
    146,927.50x = 47,624,769,361
  5. Step 5: Solve for x
    x = 47,624,769,361/146,927.50
  6. Step 6: Final answer
    x = 324,137.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.