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Finding the Third Proportional to 174,944 and 278,505

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Solution

The third proportional to 174,944 and 278,505 is: 443,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,944 : 278,505 = 278,505 : x
  2. Step 2: Convert to fraction form
    174,944/278,505 = 278,505/x
  3. Step 3: Cross multiply
    174,944x = 278,505 × 278,505
  4. Step 4: Simplify right side
    174,944x = 77,565,035,025
  5. Step 5: Solve for x
    x = 77,565,035,025/174,944
  6. Step 6: Final answer
    x = 443,370.65

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.