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Finding the Third Proportional to 242,751 and 371,518

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Solution

The third proportional to 242,751 and 371,518 is: 568,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,751 : 371,518 = 371,518 : x
  2. Step 2: Convert to fraction form
    242,751/371,518 = 371,518/x
  3. Step 3: Cross multiply
    242,751x = 371,518 × 371,518
  4. Step 4: Simplify right side
    242,751x = 138,025,624,324
  5. Step 5: Solve for x
    x = 138,025,624,324/242,751
  6. Step 6: Final answer
    x = 568,589.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.