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Finding the Third Proportional to 118,157 and 254,866

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Solution

The third proportional to 118,157 and 254,866 is: 549,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,157 : 254,866 = 254,866 : x
  2. Step 2: Convert to fraction form
    118,157/254,866 = 254,866/x
  3. Step 3: Cross multiply
    118,157x = 254,866 × 254,866
  4. Step 4: Simplify right side
    118,157x = 64,956,677,956
  5. Step 5: Solve for x
    x = 64,956,677,956/118,157
  6. Step 6: Final answer
    x = 549,748.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.