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Finding the Third Proportional to 3,937 and 9,289

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Solution

The third proportional to 3,937 and 9,289 is: 21,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937 : 9,289 = 9,289 : x
  2. Step 2: Convert to fraction form
    3,937/9,289 = 9,289/x
  3. Step 3: Cross multiply
    3,937x = 9,289 × 9,289
  4. Step 4: Simplify right side
    3,937x = 86,285,521
  5. Step 5: Solve for x
    x = 86,285,521/3,937
  6. Step 6: Final answer
    x = 21,916.57

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.