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Finding the Third Proportional to 66,657.50 and 94,318

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Solution

The third proportional to 66,657.50 and 94,318 is: 133,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,657.50 : 94,318 = 94,318 : x
  2. Step 2: Convert to fraction form
    66,657.50/94,318 = 94,318/x
  3. Step 3: Cross multiply
    66,657.50x = 94,318 × 94,318
  4. Step 4: Simplify right side
    66,657.50x = 8,895,885,124
  5. Step 5: Solve for x
    x = 8,895,885,124/66,657.50
  6. Step 6: Final answer
    x = 133,456.63

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.