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Finding the Third Proportional to 114,704 and 178,860

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Solution

The third proportional to 114,704 and 178,860 is: 278,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,704 : 178,860 = 178,860 : x
  2. Step 2: Convert to fraction form
    114,704/178,860 = 178,860/x
  3. Step 3: Cross multiply
    114,704x = 178,860 × 178,860
  4. Step 4: Simplify right side
    114,704x = 31,990,899,600
  5. Step 5: Solve for x
    x = 31,990,899,600/114,704
  6. Step 6: Final answer
    x = 278,899.60

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.