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Finding the Third Proportional to 174,887 and 270,079

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Solution

The third proportional to 174,887 and 270,079 is: 417,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,887 : 270,079 = 270,079 : x
  2. Step 2: Convert to fraction form
    174,887/270,079 = 270,079/x
  3. Step 3: Cross multiply
    174,887x = 270,079 × 270,079
  4. Step 4: Simplify right side
    174,887x = 72,942,666,241
  5. Step 5: Solve for x
    x = 72,942,666,241/174,887
  6. Step 6: Final answer
    x = 417,084.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.