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Finding the Third Proportional to 21,231 and 46,026

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Solution

The third proportional to 21,231 and 46,026 is: 99,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,231 : 46,026 = 46,026 : x
  2. Step 2: Convert to fraction form
    21,231/46,026 = 46,026/x
  3. Step 3: Cross multiply
    21,231x = 46,026 × 46,026
  4. Step 4: Simplify right side
    21,231x = 2,118,392,676
  5. Step 5: Solve for x
    x = 2,118,392,676/21,231
  6. Step 6: Final answer
    x = 99,778.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.