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Finding the Third Proportional to 43,799 and 67,643

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Solution

The third proportional to 43,799 and 67,643 is: 104,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,799 : 67,643 = 67,643 : x
  2. Step 2: Convert to fraction form
    43,799/67,643 = 67,643/x
  3. Step 3: Cross multiply
    43,799x = 67,643 × 67,643
  4. Step 4: Simplify right side
    43,799x = 4,575,575,449
  5. Step 5: Solve for x
    x = 4,575,575,449/43,799
  6. Step 6: Final answer
    x = 104,467.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.