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Finding the Third Proportional to 118,778 and 174,279

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Solution

The third proportional to 118,778 and 174,279 is: 255,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,778 : 174,279 = 174,279 : x
  2. Step 2: Convert to fraction form
    118,778/174,279 = 174,279/x
  3. Step 3: Cross multiply
    118,778x = 174,279 × 174,279
  4. Step 4: Simplify right side
    118,778x = 30,373,169,841
  5. Step 5: Solve for x
    x = 30,373,169,841/118,778
  6. Step 6: Final answer
    x = 255,713.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.