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Finding the Third Proportional to 9,969 and 14,722

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Solution

The third proportional to 9,969 and 14,722 is: 21,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969 : 14,722 = 14,722 : x
  2. Step 2: Convert to fraction form
    9,969/14,722 = 14,722/x
  3. Step 3: Cross multiply
    9,969x = 14,722 × 14,722
  4. Step 4: Simplify right side
    9,969x = 216,737,284
  5. Step 5: Solve for x
    x = 216,737,284/9,969
  6. Step 6: Final answer
    x = 21,741.13

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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.