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Finding the Third Proportional to 9,892 and 15,774

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Solution

The third proportional to 9,892 and 15,774 is: 25,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892 : 15,774 = 15,774 : x
  2. Step 2: Convert to fraction form
    9,892/15,774 = 15,774/x
  3. Step 3: Cross multiply
    9,892x = 15,774 × 15,774
  4. Step 4: Simplify right side
    9,892x = 248,819,076
  5. Step 5: Solve for x
    x = 248,819,076/9,892
  6. Step 6: Final answer
    x = 25,153.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.