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Finding the Third Proportional to 199,498.50 and 305,212.50

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Solution

The third proportional to 199,498.50 and 305,212.50 is: 466,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,498.50 : 305,212.50 = 305,212.50 : x
  2. Step 2: Convert to fraction form
    199,498.50/305,212.50 = 305,212.50/x
  3. Step 3: Cross multiply
    199,498.50x = 305,212.50 × 305,212.50
  4. Step 4: Simplify right side
    199,498.50x = 93,154,670,156.25
  5. Step 5: Solve for x
    x = 93,154,670,156.25/199,498.50
  6. Step 6: Final answer
    x = 466,944.21

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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.