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Finding the Third Proportional to 9,910 and 15,935

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Solution

The third proportional to 9,910 and 15,935 is: 25,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910 : 15,935 = 15,935 : x
  2. Step 2: Convert to fraction form
    9,910/15,935 = 15,935/x
  3. Step 3: Cross multiply
    9,910x = 15,935 × 15,935
  4. Step 4: Simplify right side
    9,910x = 253,924,225
  5. Step 5: Solve for x
    x = 253,924,225/9,910
  6. Step 6: Final answer
    x = 25,623.03

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.