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Finding the Third Proportional to 63,878.63 and 134,372.25

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Solution

The third proportional to 63,878.63 and 134,372.25 is: 282,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,878.63 : 134,372.25 = 134,372.25 : x
  2. Step 2: Convert to fraction form
    63,878.63/134,372.25 = 134,372.25/x
  3. Step 3: Cross multiply
    63,878.63x = 134,372.25 × 134,372.25
  4. Step 4: Simplify right side
    63,878.63x = 18,055,901,570.06
  5. Step 5: Solve for x
    x = 18,055,901,570.06/63,878.63
  6. Step 6: Final answer
    x = 282,659.52

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.