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Finding the Third Proportional to 18,117 and 37,395

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Solution

The third proportional to 18,117 and 37,395 is: 77,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117 : 37,395 = 37,395 : x
  2. Step 2: Convert to fraction form
    18,117/37,395 = 37,395/x
  3. Step 3: Cross multiply
    18,117x = 37,395 × 37,395
  4. Step 4: Simplify right side
    18,117x = 1,398,386,025
  5. Step 5: Solve for x
    x = 1,398,386,025/18,117
  6. Step 6: Final answer
    x = 77,186.40

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.