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Finding the Third Proportional to 21,600 and 44,820

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Solution

The third proportional to 21,600 and 44,820 is: 93,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600 : 44,820 = 44,820 : x
  2. Step 2: Convert to fraction form
    21,600/44,820 = 44,820/x
  3. Step 3: Cross multiply
    21,600x = 44,820 × 44,820
  4. Step 4: Simplify right side
    21,600x = 2,008,832,400
  5. Step 5: Solve for x
    x = 2,008,832,400/21,600
  6. Step 6: Final answer
    x = 93,001.50

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.