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Finding the Third Proportional to 53,858 and 117,148

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Solution

The third proportional to 53,858 and 117,148 is: 254,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858 : 117,148 = 117,148 : x
  2. Step 2: Convert to fraction form
    53,858/117,148 = 117,148/x
  3. Step 3: Cross multiply
    53,858x = 117,148 × 117,148
  4. Step 4: Simplify right side
    53,858x = 13,723,653,904
  5. Step 5: Solve for x
    x = 13,723,653,904/53,858
  6. Step 6: Final answer
    x = 254,811.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.