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Finding the Third Proportional to 9,291 and 20,309

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Solution

The third proportional to 9,291 and 20,309 is: 44,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291 : 20,309 = 20,309 : x
  2. Step 2: Convert to fraction form
    9,291/20,309 = 20,309/x
  3. Step 3: Cross multiply
    9,291x = 20,309 × 20,309
  4. Step 4: Simplify right side
    9,291x = 412,455,481
  5. Step 5: Solve for x
    x = 412,455,481/9,291
  6. Step 6: Final answer
    x = 44,393.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.