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Finding the Third Proportional to 70,072.88 and 108,708.75

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Solution

The third proportional to 70,072.88 and 108,708.75 is: 168,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,072.88 : 108,708.75 = 108,708.75 : x
  2. Step 2: Convert to fraction form
    70,072.88/108,708.75 = 108,708.75/x
  3. Step 3: Cross multiply
    70,072.88x = 108,708.75 × 108,708.75
  4. Step 4: Simplify right side
    70,072.88x = 11,817,592,326.56
  5. Step 5: Solve for x
    x = 11,817,592,326.56/70,072.88
  6. Step 6: Final answer
    x = 168,647.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.