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Finding the Third Proportional to 21,372 and 46,632

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Solution

The third proportional to 21,372 and 46,632 is: 101,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372 : 46,632 = 46,632 : x
  2. Step 2: Convert to fraction form
    21,372/46,632 = 46,632/x
  3. Step 3: Cross multiply
    21,372x = 46,632 × 46,632
  4. Step 4: Simplify right side
    21,372x = 2,174,543,424
  5. Step 5: Solve for x
    x = 2,174,543,424/21,372
  6. Step 6: Final answer
    x = 101,747.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.