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Finding the Third Proportional to 444,478 and 635,145

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Solution

The third proportional to 444,478 and 635,145 is: 907,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,478 : 635,145 = 635,145 : x
  2. Step 2: Convert to fraction form
    444,478/635,145 = 635,145/x
  3. Step 3: Cross multiply
    444,478x = 635,145 × 635,145
  4. Step 4: Simplify right side
    444,478x = 403,409,171,025
  5. Step 5: Solve for x
    x = 403,409,171,025/444,478
  6. Step 6: Final answer
    x = 907,602.11

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.