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Finding the Third Proportional to 204,705.50 and 440,515

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Solution

The third proportional to 204,705.50 and 440,515 is: 947,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,705.50 : 440,515 = 440,515 : x
  2. Step 2: Convert to fraction form
    204,705.50/440,515 = 440,515/x
  3. Step 3: Cross multiply
    204,705.50x = 440,515 × 440,515
  4. Step 4: Simplify right side
    204,705.50x = 194,053,465,225
  5. Step 5: Solve for x
    x = 194,053,465,225/204,705.50
  6. Step 6: Final answer
    x = 947,964.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.