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Finding the Third Proportional to 631,772 and 1,491,399

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Solution

The third proportional to 631,772 and 1,491,399 is: 3,520,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,772 : 1,491,399 = 1,491,399 : x
  2. Step 2: Convert to fraction form
    631,772/1,491,399 = 1,491,399/x
  3. Step 3: Cross multiply
    631,772x = 1,491,399 × 1,491,399
  4. Step 4: Simplify right side
    631,772x = 2,224,270,977,201
  5. Step 5: Solve for x
    x = 2,224,270,977,201/631,772
  6. Step 6: Final answer
    x = 3,520,686.22

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.