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Finding the Third Proportional to 63,466 and 135,679

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Solution

The third proportional to 63,466 and 135,679 is: 290,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,466 : 135,679 = 135,679 : x
  2. Step 2: Convert to fraction form
    63,466/135,679 = 135,679/x
  3. Step 3: Cross multiply
    63,466x = 135,679 × 135,679
  4. Step 4: Simplify right side
    63,466x = 18,408,791,041
  5. Step 5: Solve for x
    x = 18,408,791,041/63,466
  6. Step 6: Final answer
    x = 290,057.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.