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Finding the Third Proportional to 7,863 and 11,403

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Solution

The third proportional to 7,863 and 11,403 is: 16,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863 : 11,403 = 11,403 : x
  2. Step 2: Convert to fraction form
    7,863/11,403 = 11,403/x
  3. Step 3: Cross multiply
    7,863x = 11,403 × 11,403
  4. Step 4: Simplify right side
    7,863x = 130,028,409
  5. Step 5: Solve for x
    x = 130,028,409/7,863
  6. Step 6: Final answer
    x = 16,536.74

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.