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Finding the Third Proportional to 9,338 and 20,518

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Solution

The third proportional to 9,338 and 20,518 is: 45,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338 : 20,518 = 20,518 : x
  2. Step 2: Convert to fraction form
    9,338/20,518 = 20,518/x
  3. Step 3: Cross multiply
    9,338x = 20,518 × 20,518
  4. Step 4: Simplify right side
    9,338x = 420,988,324
  5. Step 5: Solve for x
    x = 420,988,324/9,338
  6. Step 6: Final answer
    x = 45,083.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.