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Finding the Third Proportional to 7,447 and 9,834

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Solution

The third proportional to 7,447 and 9,834 is: 12,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447 : 9,834 = 9,834 : x
  2. Step 2: Convert to fraction form
    7,447/9,834 = 9,834/x
  3. Step 3: Cross multiply
    7,447x = 9,834 × 9,834
  4. Step 4: Simplify right side
    7,447x = 96,707,556
  5. Step 5: Solve for x
    x = 96,707,556/7,447
  6. Step 6: Final answer
    x = 12,986.11

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.