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Finding the Third Proportional to 7,970 and 11,383

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Solution

The third proportional to 7,970 and 11,383 is: 16,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970 : 11,383 = 11,383 : x
  2. Step 2: Convert to fraction form
    7,970/11,383 = 11,383/x
  3. Step 3: Cross multiply
    7,970x = 11,383 × 11,383
  4. Step 4: Simplify right side
    7,970x = 129,572,689
  5. Step 5: Solve for x
    x = 129,572,689/7,970
  6. Step 6: Final answer
    x = 16,257.55

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.