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Finding the Third Proportional to 207,886.50 and 440,311.50

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Solution

The third proportional to 207,886.50 and 440,311.50 is: 932,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,886.50 : 440,311.50 = 440,311.50 : x
  2. Step 2: Convert to fraction form
    207,886.50/440,311.50 = 440,311.50/x
  3. Step 3: Cross multiply
    207,886.50x = 440,311.50 × 440,311.50
  4. Step 4: Simplify right side
    207,886.50x = 193,874,217,032.25
  5. Step 5: Solve for x
    x = 193,874,217,032.25/207,886.50
  6. Step 6: Final answer
    x = 932,596.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.