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Finding the Third Proportional to 63,464.13 and 135,078.50

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Solution

The third proportional to 63,464.13 and 135,078.50 is: 287,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,464.13 : 135,078.50 = 135,078.50 : x
  2. Step 2: Convert to fraction form
    63,464.13/135,078.50 = 135,078.50/x
  3. Step 3: Cross multiply
    63,464.13x = 135,078.50 × 135,078.50
  4. Step 4: Simplify right side
    63,464.13x = 18,246,201,162.25
  5. Step 5: Solve for x
    x = 18,246,201,162.25/63,464.13
  6. Step 6: Final answer
    x = 287,504.18

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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.