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Finding the Third Proportional to 47,792.50 and 66,845

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Solution

The third proportional to 47,792.50 and 66,845 is: 93,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,792.50 : 66,845 = 66,845 : x
  2. Step 2: Convert to fraction form
    47,792.50/66,845 = 66,845/x
  3. Step 3: Cross multiply
    47,792.50x = 66,845 × 66,845
  4. Step 4: Simplify right side
    47,792.50x = 4,468,254,025
  5. Step 5: Solve for x
    x = 4,468,254,025/47,792.50
  6. Step 6: Final answer
    x = 93,492.79

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.