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Finding the Third Proportional to 486,659.25 and 650,979

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Solution

The third proportional to 486,659.25 and 650,979 is: 870,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,659.25 : 650,979 = 650,979 : x
  2. Step 2: Convert to fraction form
    486,659.25/650,979 = 650,979/x
  3. Step 3: Cross multiply
    486,659.25x = 650,979 × 650,979
  4. Step 4: Simplify right side
    486,659.25x = 423,773,658,441
  5. Step 5: Solve for x
    x = 423,773,658,441/486,659.25
  6. Step 6: Final answer
    x = 870,781.06

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.