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Finding the Third Proportional to 10,169 and 21,958

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Solution

The third proportional to 10,169 and 21,958 is: 47,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169 : 21,958 = 21,958 : x
  2. Step 2: Convert to fraction form
    10,169/21,958 = 21,958/x
  3. Step 3: Cross multiply
    10,169x = 21,958 × 21,958
  4. Step 4: Simplify right side
    10,169x = 482,153,764
  5. Step 5: Solve for x
    x = 482,153,764/10,169
  6. Step 6: Final answer
    x = 47,414.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.