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Finding the Third Proportional to 197,242 and 279,095.50

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Solution

The third proportional to 197,242 and 279,095.50 is: 394,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,242 : 279,095.50 = 279,095.50 : x
  2. Step 2: Convert to fraction form
    197,242/279,095.50 = 279,095.50/x
  3. Step 3: Cross multiply
    197,242x = 279,095.50 × 279,095.50
  4. Step 4: Simplify right side
    197,242x = 77,894,298,120.25
  5. Step 5: Solve for x
    x = 77,894,298,120.25/197,242
  6. Step 6: Final answer
    x = 394,917.40

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.