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Finding the Third Proportional to 9,910 and 19,548

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Solution

The third proportional to 9,910 and 19,548 is: 38,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910 : 19,548 = 19,548 : x
  2. Step 2: Convert to fraction form
    9,910/19,548 = 19,548/x
  3. Step 3: Cross multiply
    9,910x = 19,548 × 19,548
  4. Step 4: Simplify right side
    9,910x = 382,124,304
  5. Step 5: Solve for x
    x = 382,124,304/9,910
  6. Step 6: Final answer
    x = 38,559.47

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.