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Finding the Third Proportional to 8,976 and 13,773

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Solution

The third proportional to 8,976 and 13,773 is: 21,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976 : 13,773 = 13,773 : x
  2. Step 2: Convert to fraction form
    8,976/13,773 = 13,773/x
  3. Step 3: Cross multiply
    8,976x = 13,773 × 13,773
  4. Step 4: Simplify right side
    8,976x = 189,695,529
  5. Step 5: Solve for x
    x = 189,695,529/8,976
  6. Step 6: Final answer
    x = 21,133.64

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.