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Finding the Third Proportional to 339,403.50 and 503,235

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Solution

The third proportional to 339,403.50 and 503,235 is: 746,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,403.50 : 503,235 = 503,235 : x
  2. Step 2: Convert to fraction form
    339,403.50/503,235 = 503,235/x
  3. Step 3: Cross multiply
    339,403.50x = 503,235 × 503,235
  4. Step 4: Simplify right side
    339,403.50x = 253,245,465,225
  5. Step 5: Solve for x
    x = 253,245,465,225/339,403.50
  6. Step 6: Final answer
    x = 746,148.66

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.