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Finding the Third Proportional to 7,320 and 13,101

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Solution

The third proportional to 7,320 and 13,101 is: 23,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320 : 13,101 = 13,101 : x
  2. Step 2: Convert to fraction form
    7,320/13,101 = 13,101/x
  3. Step 3: Cross multiply
    7,320x = 13,101 × 13,101
  4. Step 4: Simplify right side
    7,320x = 171,636,201
  5. Step 5: Solve for x
    x = 171,636,201/7,320
  6. Step 6: Final answer
    x = 23,447.57

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.