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Finding the Third Proportional to 20,896 and 24,160

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Solution

The third proportional to 20,896 and 24,160 is: 27,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896 : 24,160 = 24,160 : x
  2. Step 2: Convert to fraction form
    20,896/24,160 = 24,160/x
  3. Step 3: Cross multiply
    20,896x = 24,160 × 24,160
  4. Step 4: Simplify right side
    20,896x = 583,705,600
  5. Step 5: Solve for x
    x = 583,705,600/20,896
  6. Step 6: Final answer
    x = 27,933.84

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.