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Finding the Third Proportional to 436,822.50 and 668,794.50

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Solution

The third proportional to 436,822.50 and 668,794.50 is: 1,023,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,822.50 : 668,794.50 = 668,794.50 : x
  2. Step 2: Convert to fraction form
    436,822.50/668,794.50 = 668,794.50/x
  3. Step 3: Cross multiply
    436,822.50x = 668,794.50 × 668,794.50
  4. Step 4: Simplify right side
    436,822.50x = 447,286,083,230.25
  5. Step 5: Solve for x
    x = 447,286,083,230.25/436,822.50
  6. Step 6: Final answer
    x = 1,023,953.86

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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.