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Finding the Third Proportional to 9,386 and 20,395

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Solution

The third proportional to 9,386 and 20,395 is: 44,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386 : 20,395 = 20,395 : x
  2. Step 2: Convert to fraction form
    9,386/20,395 = 20,395/x
  3. Step 3: Cross multiply
    9,386x = 20,395 × 20,395
  4. Step 4: Simplify right side
    9,386x = 415,956,025
  5. Step 5: Solve for x
    x = 415,956,025/9,386
  6. Step 6: Final answer
    x = 44,316.64

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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.