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Finding the Third Proportional to 7,778 and 16,852

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Solution

The third proportional to 7,778 and 16,852 is: 36,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778 : 16,852 = 16,852 : x
  2. Step 2: Convert to fraction form
    7,778/16,852 = 16,852/x
  3. Step 3: Cross multiply
    7,778x = 16,852 × 16,852
  4. Step 4: Simplify right side
    7,778x = 283,989,904
  5. Step 5: Solve for x
    x = 283,989,904/7,778
  6. Step 6: Final answer
    x = 36,511.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.