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Finding the Third Proportional to 45,142 and 97,818

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Solution

The third proportional to 45,142 and 97,818 is: 211,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,142 : 97,818 = 97,818 : x
  2. Step 2: Convert to fraction form
    45,142/97,818 = 97,818/x
  3. Step 3: Cross multiply
    45,142x = 97,818 × 97,818
  4. Step 4: Simplify right side
    45,142x = 9,568,361,124
  5. Step 5: Solve for x
    x = 9,568,361,124/45,142
  6. Step 6: Final answer
    x = 211,961.39

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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.