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Finding the Third Proportional to 202,257 and 303,385.50

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Solution

The third proportional to 202,257 and 303,385.50 is: 455,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,257 : 303,385.50 = 303,385.50 : x
  2. Step 2: Convert to fraction form
    202,257/303,385.50 = 303,385.50/x
  3. Step 3: Cross multiply
    202,257x = 303,385.50 × 303,385.50
  4. Step 4: Simplify right side
    202,257x = 92,042,761,610.25
  5. Step 5: Solve for x
    x = 92,042,761,610.25/202,257
  6. Step 6: Final answer
    x = 455,078.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.