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Finding the Third Proportional to 10,911 and 14,652

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Solution

The third proportional to 10,911 and 14,652 is: 19,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911 : 14,652 = 14,652 : x
  2. Step 2: Convert to fraction form
    10,911/14,652 = 14,652/x
  3. Step 3: Cross multiply
    10,911x = 14,652 × 14,652
  4. Step 4: Simplify right side
    10,911x = 214,681,104
  5. Step 5: Solve for x
    x = 214,681,104/10,911
  6. Step 6: Final answer
    x = 19,675.66

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.