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Finding the Third Proportional to 9,969.75 and 14,761.13

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Solution

The third proportional to 9,969.75 and 14,761.13 is: 21,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.75 : 14,761.13 = 14,761.13 : x
  2. Step 2: Convert to fraction form
    9,969.75/14,761.13 = 14,761.13/x
  3. Step 3: Cross multiply
    9,969.75x = 14,761.13 × 14,761.13
  4. Step 4: Simplify right side
    9,969.75x = 217,890,811.27
  5. Step 5: Solve for x
    x = 217,890,811.27/9,969.75
  6. Step 6: Final answer
    x = 21,855.19

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.