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Finding the Third Proportional to 993.75 and 2,160.84

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Solution

The third proportional to 993.75 and 2,160.84 is: 4,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    993.75 : 2,160.84 = 2,160.84 : x
  2. Step 2: Convert to fraction form
    993.75/2,160.84 = 2,160.84/x
  3. Step 3: Cross multiply
    993.75x = 2,160.84 × 2,160.84
  4. Step 4: Simplify right side
    993.75x = 4,669,245.71
  5. Step 5: Solve for x
    x = 4,669,245.71/993.75
  6. Step 6: Final answer
    x = 4,698.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.