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Finding the Third Proportional to 117,188 and 253,816

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Solution

The third proportional to 117,188 and 253,816 is: 549,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,188 : 253,816 = 253,816 : x
  2. Step 2: Convert to fraction form
    117,188/253,816 = 253,816/x
  3. Step 3: Cross multiply
    117,188x = 253,816 × 253,816
  4. Step 4: Simplify right side
    117,188x = 64,422,561,856
  5. Step 5: Solve for x
    x = 64,422,561,856/117,188
  6. Step 6: Final answer
    x = 549,736.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.