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Finding the Third Proportional to 21,366 and 46,251

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Solution

The third proportional to 21,366 and 46,251 is: 100,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366 : 46,251 = 46,251 : x
  2. Step 2: Convert to fraction form
    21,366/46,251 = 46,251/x
  3. Step 3: Cross multiply
    21,366x = 46,251 × 46,251
  4. Step 4: Simplify right side
    21,366x = 2,139,155,001
  5. Step 5: Solve for x
    x = 2,139,155,001/21,366
  6. Step 6: Final answer
    x = 100,119.58

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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.