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Finding the Third Proportional to 10,372.50 and 21,555

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Solution

The third proportional to 10,372.50 and 21,555 is: 44,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.50 : 21,555 = 21,555 : x
  2. Step 2: Convert to fraction form
    10,372.50/21,555 = 21,555/x
  3. Step 3: Cross multiply
    10,372.50x = 21,555 × 21,555
  4. Step 4: Simplify right side
    10,372.50x = 464,618,025
  5. Step 5: Solve for x
    x = 464,618,025/10,372.50
  6. Step 6: Final answer
    x = 44,793.25

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1.5x scale

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.