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Finding the Third Proportional to 63,512 and 135,460

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Solution

The third proportional to 63,512 and 135,460 is: 288,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512 : 135,460 = 135,460 : x
  2. Step 2: Convert to fraction form
    63,512/135,460 = 135,460/x
  3. Step 3: Cross multiply
    63,512x = 135,460 × 135,460
  4. Step 4: Simplify right side
    63,512x = 18,349,411,600
  5. Step 5: Solve for x
    x = 18,349,411,600/63,512
  6. Step 6: Final answer
    x = 288,912.51

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.