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Finding the Third Proportional to 70,534.13 and 108,015.19

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Solution

The third proportional to 70,534.13 and 108,015.19 is: 165,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.13 : 108,015.19 = 108,015.19 : x
  2. Step 2: Convert to fraction form
    70,534.13/108,015.19 = 108,015.19/x
  3. Step 3: Cross multiply
    70,534.13x = 108,015.19 × 108,015.19
  4. Step 4: Simplify right side
    70,534.13x = 11,667,280,730.66
  5. Step 5: Solve for x
    x = 11,667,280,730.66/70,534.13
  6. Step 6: Final answer
    x = 165,413.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.