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Finding the Third Proportional to 21,288 and 46,188

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Solution

The third proportional to 21,288 and 46,188 is: 100,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,288 : 46,188 = 46,188 : x
  2. Step 2: Convert to fraction form
    21,288/46,188 = 46,188/x
  3. Step 3: Cross multiply
    21,288x = 46,188 × 46,188
  4. Step 4: Simplify right side
    21,288x = 2,133,331,344
  5. Step 5: Solve for x
    x = 2,133,331,344/21,288
  6. Step 6: Final answer
    x = 100,212.86

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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.