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Finding the Third Proportional to 21,521 and 46,441

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Solution

The third proportional to 21,521 and 46,441 is: 100,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521 : 46,441 = 46,441 : x
  2. Step 2: Convert to fraction form
    21,521/46,441 = 46,441/x
  3. Step 3: Cross multiply
    21,521x = 46,441 × 46,441
  4. Step 4: Simplify right side
    21,521x = 2,156,766,481
  5. Step 5: Solve for x
    x = 2,156,766,481/21,521
  6. Step 6: Final answer
    x = 100,216.83

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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.