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Finding the Third Proportional to 376,520 and 573,603

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Solution

The third proportional to 376,520 and 573,603 is: 873,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,520 : 573,603 = 573,603 : x
  2. Step 2: Convert to fraction form
    376,520/573,603 = 573,603/x
  3. Step 3: Cross multiply
    376,520x = 573,603 × 573,603
  4. Step 4: Simplify right side
    376,520x = 329,020,401,609
  5. Step 5: Solve for x
    x = 329,020,401,609/376,520
  6. Step 6: Final answer
    x = 873,845.75

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.