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Finding the Third Proportional to 9,356 and 20,788

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Solution

The third proportional to 9,356 and 20,788 is: 46,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356 : 20,788 = 20,788 : x
  2. Step 2: Convert to fraction form
    9,356/20,788 = 20,788/x
  3. Step 3: Cross multiply
    9,356x = 20,788 × 20,788
  4. Step 4: Simplify right side
    9,356x = 432,140,944
  5. Step 5: Solve for x
    x = 432,140,944/9,356
  6. Step 6: Final answer
    x = 46,188.64

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.