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Finding the Third Proportional to 505,274 and 1,080,558

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Solution

The third proportional to 505,274 and 1,080,558 is: 2,310,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,274 : 1,080,558 = 1,080,558 : x
  2. Step 2: Convert to fraction form
    505,274/1,080,558 = 1,080,558/x
  3. Step 3: Cross multiply
    505,274x = 1,080,558 × 1,080,558
  4. Step 4: Simplify right side
    505,274x = 1,167,605,591,364
  5. Step 5: Solve for x
    x = 1,167,605,591,364/505,274
  6. Step 6: Final answer
    x = 2,310,836.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.