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Finding the Third Proportional to 248,791 and 374,979

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Solution

The third proportional to 248,791 and 374,979 is: 565,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,791 : 374,979 = 374,979 : x
  2. Step 2: Convert to fraction form
    248,791/374,979 = 374,979/x
  3. Step 3: Cross multiply
    248,791x = 374,979 × 374,979
  4. Step 4: Simplify right side
    248,791x = 140,609,250,441
  5. Step 5: Solve for x
    x = 140,609,250,441/248,791
  6. Step 6: Final answer
    x = 565,170.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.