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Finding the Third Proportional to 4,672.50 and 9,969

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Solution

The third proportional to 4,672.50 and 9,969 is: 21,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.50 : 9,969 = 9,969 : x
  2. Step 2: Convert to fraction form
    4,672.50/9,969 = 9,969/x
  3. Step 3: Cross multiply
    4,672.50x = 9,969 × 9,969
  4. Step 4: Simplify right side
    4,672.50x = 99,380,961
  5. Step 5: Solve for x
    x = 99,380,961/4,672.50
  6. Step 6: Final answer
    x = 21,269.33

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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.