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Finding the Third Proportional to 631,132 and 1,369,266

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Solution

The third proportional to 631,132 and 1,369,266 is: 2,970,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,132 : 1,369,266 = 1,369,266 : x
  2. Step 2: Convert to fraction form
    631,132/1,369,266 = 1,369,266/x
  3. Step 3: Cross multiply
    631,132x = 1,369,266 × 1,369,266
  4. Step 4: Simplify right side
    631,132x = 1,874,889,378,756
  5. Step 5: Solve for x
    x = 1,874,889,378,756/631,132
  6. Step 6: Final answer
    x = 2,970,677.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.