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Finding the Third Proportional to 88,868 and 189,976

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Solution

The third proportional to 88,868 and 189,976 is: 406,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,868 : 189,976 = 189,976 : x
  2. Step 2: Convert to fraction form
    88,868/189,976 = 189,976/x
  3. Step 3: Cross multiply
    88,868x = 189,976 × 189,976
  4. Step 4: Simplify right side
    88,868x = 36,090,880,576
  5. Step 5: Solve for x
    x = 36,090,880,576/88,868
  6. Step 6: Final answer
    x = 406,117.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.