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Finding the Third Proportional to 63,984 and 135,350

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Solution

The third proportional to 63,984 and 135,350 is: 286,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,984 : 135,350 = 135,350 : x
  2. Step 2: Convert to fraction form
    63,984/135,350 = 135,350/x
  3. Step 3: Cross multiply
    63,984x = 135,350 × 135,350
  4. Step 4: Simplify right side
    63,984x = 18,319,622,500
  5. Step 5: Solve for x
    x = 18,319,622,500/63,984
  6. Step 6: Final answer
    x = 286,315.68

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.