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Finding the Third Proportional to 10,280 and 18,576

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Solution

The third proportional to 10,280 and 18,576 is: 33,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280 : 18,576 = 18,576 : x
  2. Step 2: Convert to fraction form
    10,280/18,576 = 18,576/x
  3. Step 3: Cross multiply
    10,280x = 18,576 × 18,576
  4. Step 4: Simplify right side
    10,280x = 345,067,776
  5. Step 5: Solve for x
    x = 345,067,776/10,280
  6. Step 6: Final answer
    x = 33,566.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.