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Finding the Third Proportional to 9,112 and 19,623

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Solution

The third proportional to 9,112 and 19,623 is: 42,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112 : 19,623 = 19,623 : x
  2. Step 2: Convert to fraction form
    9,112/19,623 = 19,623/x
  3. Step 3: Cross multiply
    9,112x = 19,623 × 19,623
  4. Step 4: Simplify right side
    9,112x = 385,062,129
  5. Step 5: Solve for x
    x = 385,062,129/9,112
  6. Step 6: Final answer
    x = 42,258.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.