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Finding the Third Proportional to 9,613 and 20,684

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Solution

The third proportional to 9,613 and 20,684 is: 44,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613 : 20,684 = 20,684 : x
  2. Step 2: Convert to fraction form
    9,613/20,684 = 20,684/x
  3. Step 3: Cross multiply
    9,613x = 20,684 × 20,684
  4. Step 4: Simplify right side
    9,613x = 427,827,856
  5. Step 5: Solve for x
    x = 427,827,856/9,613
  6. Step 6: Final answer
    x = 44,505.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.