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Finding the Third Proportional to 437,676 and 625,869

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Solution

The third proportional to 437,676 and 625,869 is: 894,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,676 : 625,869 = 625,869 : x
  2. Step 2: Convert to fraction form
    437,676/625,869 = 625,869/x
  3. Step 3: Cross multiply
    437,676x = 625,869 × 625,869
  4. Step 4: Simplify right side
    437,676x = 391,712,005,161
  5. Step 5: Solve for x
    x = 391,712,005,161/437,676
  6. Step 6: Final answer
    x = 894,981.69

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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.