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Finding the Third Proportional to 6,763.50 and 9,945

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Solution

The third proportional to 6,763.50 and 9,945 is: 14,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.50 : 9,945 = 9,945 : x
  2. Step 2: Convert to fraction form
    6,763.50/9,945 = 9,945/x
  3. Step 3: Cross multiply
    6,763.50x = 9,945 × 9,945
  4. Step 4: Simplify right side
    6,763.50x = 98,903,025
  5. Step 5: Solve for x
    x = 98,903,025/6,763.50
  6. Step 6: Final answer
    x = 14,623.05

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.