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Finding the Third Proportional to 10,800 and 16,143

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Solution

The third proportional to 10,800 and 16,143 is: 24,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800 : 16,143 = 16,143 : x
  2. Step 2: Convert to fraction form
    10,800/16,143 = 16,143/x
  3. Step 3: Cross multiply
    10,800x = 16,143 × 16,143
  4. Step 4: Simplify right side
    10,800x = 260,596,449
  5. Step 5: Solve for x
    x = 260,596,449/10,800
  6. Step 6: Final answer
    x = 24,129.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.