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Finding the Third Proportional to 35,379 and 52,407

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Solution

The third proportional to 35,379 and 52,407 is: 77,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379 : 52,407 = 52,407 : x
  2. Step 2: Convert to fraction form
    35,379/52,407 = 52,407/x
  3. Step 3: Cross multiply
    35,379x = 52,407 × 52,407
  4. Step 4: Simplify right side
    35,379x = 2,746,493,649
  5. Step 5: Solve for x
    x = 2,746,493,649/35,379
  6. Step 6: Final answer
    x = 77,630.62

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.