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Finding the Third Proportional to 70,788 and 107,088

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Solution

The third proportional to 70,788 and 107,088 is: 162,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,788 : 107,088 = 107,088 : x
  2. Step 2: Convert to fraction form
    70,788/107,088 = 107,088/x
  3. Step 3: Cross multiply
    70,788x = 107,088 × 107,088
  4. Step 4: Simplify right side
    70,788x = 11,467,839,744
  5. Step 5: Solve for x
    x = 11,467,839,744/70,788
  6. Step 6: Final answer
    x = 162,002.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.