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Finding the Third Proportional to 21,586 and 44,216

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Solution

The third proportional to 21,586 and 44,216 is: 90,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586 : 44,216 = 44,216 : x
  2. Step 2: Convert to fraction form
    21,586/44,216 = 44,216/x
  3. Step 3: Cross multiply
    21,586x = 44,216 × 44,216
  4. Step 4: Simplify right side
    21,586x = 1,955,054,656
  5. Step 5: Solve for x
    x = 1,955,054,656/21,586
  6. Step 6: Final answer
    x = 90,570.49

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.