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Finding the Third Proportional to 21,631 and 46,933

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Solution

The third proportional to 21,631 and 46,933 is: 101,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631 : 46,933 = 46,933 : x
  2. Step 2: Convert to fraction form
    21,631/46,933 = 46,933/x
  3. Step 3: Cross multiply
    21,631x = 46,933 × 46,933
  4. Step 4: Simplify right side
    21,631x = 2,202,706,489
  5. Step 5: Solve for x
    x = 2,202,706,489/21,631
  6. Step 6: Final answer
    x = 101,831.01

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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.