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Finding the Third Proportional to 2,989.50 and 6,933.75

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Solution

The third proportional to 2,989.50 and 6,933.75 is: 16,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.50 : 6,933.75 = 6,933.75 : x
  2. Step 2: Convert to fraction form
    2,989.50/6,933.75 = 6,933.75/x
  3. Step 3: Cross multiply
    2,989.50x = 6,933.75 × 6,933.75
  4. Step 4: Simplify right side
    2,989.50x = 48,076,889.06
  5. Step 5: Solve for x
    x = 48,076,889.06/2,989.50
  6. Step 6: Final answer
    x = 16,081.92

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.