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Finding the Third Proportional to 283,763 and 425,685

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Solution

The third proportional to 283,763 and 425,685 is: 638,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,763 : 425,685 = 425,685 : x
  2. Step 2: Convert to fraction form
    283,763/425,685 = 425,685/x
  3. Step 3: Cross multiply
    283,763x = 425,685 × 425,685
  4. Step 4: Simplify right side
    283,763x = 181,207,719,225
  5. Step 5: Solve for x
    x = 181,207,719,225/283,763
  6. Step 6: Final answer
    x = 638,588.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.