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Finding the Third Proportional to 21,186 and 45,186

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Solution

The third proportional to 21,186 and 45,186 is: 96,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186 : 45,186 = 45,186 : x
  2. Step 2: Convert to fraction form
    21,186/45,186 = 45,186/x
  3. Step 3: Cross multiply
    21,186x = 45,186 × 45,186
  4. Step 4: Simplify right side
    21,186x = 2,041,774,596
  5. Step 5: Solve for x
    x = 2,041,774,596/21,186
  6. Step 6: Final answer
    x = 96,373.77

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.