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Finding the Third Proportional to 68,890.50 and 151,335

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Solution

The third proportional to 68,890.50 and 151,335 is: 332,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,890.50 : 151,335 = 151,335 : x
  2. Step 2: Convert to fraction form
    68,890.50/151,335 = 151,335/x
  3. Step 3: Cross multiply
    68,890.50x = 151,335 × 151,335
  4. Step 4: Simplify right side
    68,890.50x = 22,902,282,225
  5. Step 5: Solve for x
    x = 22,902,282,225/68,890.50
  6. Step 6: Final answer
    x = 332,444.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.