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Finding the Third Proportional to 199,393.50 and 306,481

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Solution

The third proportional to 199,393.50 and 306,481 is: 471,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,393.50 : 306,481 = 306,481 : x
  2. Step 2: Convert to fraction form
    199,393.50/306,481 = 306,481/x
  3. Step 3: Cross multiply
    199,393.50x = 306,481 × 306,481
  4. Step 4: Simplify right side
    199,393.50x = 93,930,603,361
  5. Step 5: Solve for x
    x = 93,930,603,361/199,393.50
  6. Step 6: Final answer
    x = 471,081.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.