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Finding the Third Proportional to 21,469 and 46,113

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Solution

The third proportional to 21,469 and 46,113 is: 99,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469 : 46,113 = 46,113 : x
  2. Step 2: Convert to fraction form
    21,469/46,113 = 46,113/x
  3. Step 3: Cross multiply
    21,469x = 46,113 × 46,113
  4. Step 4: Simplify right side
    21,469x = 2,126,408,769
  5. Step 5: Solve for x
    x = 2,126,408,769/21,469
  6. Step 6: Final answer
    x = 99,045.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.