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Finding the Third Proportional to 355,780.27 and 550,295.86

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Solution

The third proportional to 355,780.27 and 550,295.86 is: 851,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,780.27 : 550,295.86 = 550,295.86 : x
  2. Step 2: Convert to fraction form
    355,780.27/550,295.86 = 550,295.86/x
  3. Step 3: Cross multiply
    355,780.27x = 550,295.86 × 550,295.86
  4. Step 4: Simplify right side
    355,780.27x = 302,825,532,845.27
  5. Step 5: Solve for x
    x = 302,825,532,845.27/355,780.27
  6. Step 6: Final answer
    x = 851,158.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.