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Finding the Third Proportional to 7,422 and 16,013

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Solution

The third proportional to 7,422 and 16,013 is: 34,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422 : 16,013 = 16,013 : x
  2. Step 2: Convert to fraction form
    7,422/16,013 = 16,013/x
  3. Step 3: Cross multiply
    7,422x = 16,013 × 16,013
  4. Step 4: Simplify right side
    7,422x = 256,416,169
  5. Step 5: Solve for x
    x = 256,416,169/7,422
  6. Step 6: Final answer
    x = 34,548.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.