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Finding the Third Proportional to 21,676 and 46,424

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Solution

The third proportional to 21,676 and 46,424 is: 99,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676 : 46,424 = 46,424 : x
  2. Step 2: Convert to fraction form
    21,676/46,424 = 46,424/x
  3. Step 3: Cross multiply
    21,676x = 46,424 × 46,424
  4. Step 4: Simplify right side
    21,676x = 2,155,187,776
  5. Step 5: Solve for x
    x = 2,155,187,776/21,676
  6. Step 6: Final answer
    x = 99,427.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.