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Finding the Third Proportional to 7,391 and 11,303

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Solution

The third proportional to 7,391 and 11,303 is: 17,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391 : 11,303 = 11,303 : x
  2. Step 2: Convert to fraction form
    7,391/11,303 = 11,303/x
  3. Step 3: Cross multiply
    7,391x = 11,303 × 11,303
  4. Step 4: Simplify right side
    7,391x = 127,757,809
  5. Step 5: Solve for x
    x = 127,757,809/7,391
  6. Step 6: Final answer
    x = 17,285.59

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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.