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Finding the Third Proportional to 9,290 and 11,773

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Solution

The third proportional to 9,290 and 11,773 is: 14,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290 : 11,773 = 11,773 : x
  2. Step 2: Convert to fraction form
    9,290/11,773 = 11,773/x
  3. Step 3: Cross multiply
    9,290x = 11,773 × 11,773
  4. Step 4: Simplify right side
    9,290x = 138,603,529
  5. Step 5: Solve for x
    x = 138,603,529/9,290
  6. Step 6: Final answer
    x = 14,919.65

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.