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Finding the Third Proportional to 63,168 and 135,087

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Solution

The third proportional to 63,168 and 135,087 is: 288,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,168 : 135,087 = 135,087 : x
  2. Step 2: Convert to fraction form
    63,168/135,087 = 135,087/x
  3. Step 3: Cross multiply
    63,168x = 135,087 × 135,087
  4. Step 4: Simplify right side
    63,168x = 18,248,497,569
  5. Step 5: Solve for x
    x = 18,248,497,569/63,168
  6. Step 6: Final answer
    x = 288,888.32

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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.