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Finding the Third Proportional to 15,256 and 31,888

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Solution

The third proportional to 15,256 and 31,888 is: 66,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256 : 31,888 = 31,888 : x
  2. Step 2: Convert to fraction form
    15,256/31,888 = 31,888/x
  3. Step 3: Cross multiply
    15,256x = 31,888 × 31,888
  4. Step 4: Simplify right side
    15,256x = 1,016,844,544
  5. Step 5: Solve for x
    x = 1,016,844,544/15,256
  6. Step 6: Final answer
    x = 66,652.11

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.