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Finding the Third Proportional to 6,865.88 and 14,989.50

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Solution

The third proportional to 6,865.88 and 14,989.50 is: 32,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.88 : 14,989.50 = 14,989.50 : x
  2. Step 2: Convert to fraction form
    6,865.88/14,989.50 = 14,989.50/x
  3. Step 3: Cross multiply
    6,865.88x = 14,989.50 × 14,989.50
  4. Step 4: Simplify right side
    6,865.88x = 224,685,110.25
  5. Step 5: Solve for x
    x = 224,685,110.25/6,865.88
  6. Step 6: Final answer
    x = 32,724.91

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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.