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Finding the Third Proportional to 7,972 and 18,523

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Solution

The third proportional to 7,972 and 18,523 is: 43,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972 : 18,523 = 18,523 : x
  2. Step 2: Convert to fraction form
    7,972/18,523 = 18,523/x
  3. Step 3: Cross multiply
    7,972x = 18,523 × 18,523
  4. Step 4: Simplify right side
    7,972x = 343,101,529
  5. Step 5: Solve for x
    x = 343,101,529/7,972
  6. Step 6: Final answer
    x = 43,038.33

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.