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Finding the Third Proportional to 200,577 and 440,523

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Solution

The third proportional to 200,577 and 440,523 is: 967,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,577 : 440,523 = 440,523 : x
  2. Step 2: Convert to fraction form
    200,577/440,523 = 440,523/x
  3. Step 3: Cross multiply
    200,577x = 440,523 × 440,523
  4. Step 4: Simplify right side
    200,577x = 194,060,513,529
  5. Step 5: Solve for x
    x = 194,060,513,529/200,577
  6. Step 6: Final answer
    x = 967,511.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.