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Finding the Third Proportional to 342,742.50 and 533,635.50

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Solution

The third proportional to 342,742.50 and 533,635.50 is: 830,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,742.50 : 533,635.50 = 533,635.50 : x
  2. Step 2: Convert to fraction form
    342,742.50/533,635.50 = 533,635.50/x
  3. Step 3: Cross multiply
    342,742.50x = 533,635.50 × 533,635.50
  4. Step 4: Simplify right side
    342,742.50x = 284,766,846,860.25
  5. Step 5: Solve for x
    x = 284,766,846,860.25/342,742.50
  6. Step 6: Final answer
    x = 830,847.78

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.