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Finding the Third Proportional to 202,307 and 303,979

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Solution

The third proportional to 202,307 and 303,979 is: 456,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,307 : 303,979 = 303,979 : x
  2. Step 2: Convert to fraction form
    202,307/303,979 = 303,979/x
  3. Step 3: Cross multiply
    202,307x = 303,979 × 303,979
  4. Step 4: Simplify right side
    202,307x = 92,403,232,441
  5. Step 5: Solve for x
    x = 92,403,232,441/202,307
  6. Step 6: Final answer
    x = 456,747.58

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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.