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Finding the Third Proportional to 6,309 and 11,706

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Solution

The third proportional to 6,309 and 11,706 is: 21,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309 : 11,706 = 11,706 : x
  2. Step 2: Convert to fraction form
    6,309/11,706 = 11,706/x
  3. Step 3: Cross multiply
    6,309x = 11,706 × 11,706
  4. Step 4: Simplify right side
    6,309x = 137,030,436
  5. Step 5: Solve for x
    x = 137,030,436/6,309
  6. Step 6: Final answer
    x = 21,719.83

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.