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Finding the Third Proportional to 11,922 and 26,148

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Solution

The third proportional to 11,922 and 26,148 is: 57,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922 : 26,148 = 26,148 : x
  2. Step 2: Convert to fraction form
    11,922/26,148 = 26,148/x
  3. Step 3: Cross multiply
    11,922x = 26,148 × 26,148
  4. Step 4: Simplify right side
    11,922x = 683,717,904
  5. Step 5: Solve for x
    x = 683,717,904/11,922
  6. Step 6: Final answer
    x = 57,349.26

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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.