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Finding the Third Proportional to 16,980.75 and 36,216

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Solution

The third proportional to 16,980.75 and 36,216 is: 77,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.75 : 36,216 = 36,216 : x
  2. Step 2: Convert to fraction form
    16,980.75/36,216 = 36,216/x
  3. Step 3: Cross multiply
    16,980.75x = 36,216 × 36,216
  4. Step 4: Simplify right side
    16,980.75x = 1,311,598,656
  5. Step 5: Solve for x
    x = 1,311,598,656/16,980.75
  6. Step 6: Final answer
    x = 77,240.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.