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Finding the Third Proportional to 7,863 and 13,050

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Solution

The third proportional to 7,863 and 13,050 is: 21,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863 : 13,050 = 13,050 : x
  2. Step 2: Convert to fraction form
    7,863/13,050 = 13,050/x
  3. Step 3: Cross multiply
    7,863x = 13,050 × 13,050
  4. Step 4: Simplify right side
    7,863x = 170,302,500
  5. Step 5: Solve for x
    x = 170,302,500/7,863
  6. Step 6: Final answer
    x = 21,658.72

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.