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Finding the Third Proportional to 21,969 and 46,692

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Solution

The third proportional to 21,969 and 46,692 is: 99,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969 : 46,692 = 46,692 : x
  2. Step 2: Convert to fraction form
    21,969/46,692 = 46,692/x
  3. Step 3: Cross multiply
    21,969x = 46,692 × 46,692
  4. Step 4: Simplify right side
    21,969x = 2,180,142,864
  5. Step 5: Solve for x
    x = 2,180,142,864/21,969
  6. Step 6: Final answer
    x = 99,237.24

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.