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Finding the Third Proportional to 4,811.50 and 10,505

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Solution

The third proportional to 4,811.50 and 10,505 is: 22,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.50 : 10,505 = 10,505 : x
  2. Step 2: Convert to fraction form
    4,811.50/10,505 = 10,505/x
  3. Step 3: Cross multiply
    4,811.50x = 10,505 × 10,505
  4. Step 4: Simplify right side
    4,811.50x = 110,355,025
  5. Step 5: Solve for x
    x = 110,355,025/4,811.50
  6. Step 6: Final answer
    x = 22,935.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.