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Finding the Third Proportional to 10.47 and 16.05

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Solution

The third proportional to 10.47 and 16.05 is: 24.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.47 : 16.05 = 16.05 : x
  2. Step 2: Convert to fraction form
    10.47/16.05 = 16.05/x
  3. Step 3: Cross multiply
    10.47x = 16.05 × 16.05
  4. Step 4: Simplify right side
    10.47x = 257.50
  5. Step 5: Solve for x
    x = 257.50/10.47
  6. Step 6: Final answer
    x = 24.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.