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Finding the Third Proportional to 363,367.50 and 557,763

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Solution

The third proportional to 363,367.50 and 557,763 is: 856,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,367.50 : 557,763 = 557,763 : x
  2. Step 2: Convert to fraction form
    363,367.50/557,763 = 557,763/x
  3. Step 3: Cross multiply
    363,367.50x = 557,763 × 557,763
  4. Step 4: Simplify right side
    363,367.50x = 311,099,564,169
  5. Step 5: Solve for x
    x = 311,099,564,169/363,367.50
  6. Step 6: Final answer
    x = 856,156.82

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.