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Finding the Third Proportional to 200,566 and 440,492

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Solution

The third proportional to 200,566 and 440,492 is: 967,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,566 : 440,492 = 440,492 : x
  2. Step 2: Convert to fraction form
    200,566/440,492 = 440,492/x
  3. Step 3: Cross multiply
    200,566x = 440,492 × 440,492
  4. Step 4: Simplify right side
    200,566x = 194,033,202,064
  5. Step 5: Solve for x
    x = 194,033,202,064/200,566
  6. Step 6: Final answer
    x = 967,428.19

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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.