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Finding the Third Proportional to 339,990.75 and 460,060.88

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Solution

The third proportional to 339,990.75 and 460,060.88 is: 622,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,990.75 : 460,060.88 = 460,060.88 : x
  2. Step 2: Convert to fraction form
    339,990.75/460,060.88 = 460,060.88/x
  3. Step 3: Cross multiply
    339,990.75x = 460,060.88 × 460,060.88
  4. Step 4: Simplify right side
    339,990.75x = 211,656,008,705.77
  5. Step 5: Solve for x
    x = 211,656,008,705.77/339,990.75
  6. Step 6: Final answer
    x = 622,534.61

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.