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Finding the Third Proportional to 242,704 and 379,898

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Solution

The third proportional to 242,704 and 379,898 is: 594,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,704 : 379,898 = 379,898 : x
  2. Step 2: Convert to fraction form
    242,704/379,898 = 379,898/x
  3. Step 3: Cross multiply
    242,704x = 379,898 × 379,898
  4. Step 4: Simplify right side
    242,704x = 144,322,490,404
  5. Step 5: Solve for x
    x = 144,322,490,404/242,704
  6. Step 6: Final answer
    x = 594,644.05

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.