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Finding the Third Proportional to 70,995 and 107,789

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Solution

The third proportional to 70,995 and 107,789 is: 163,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995 : 107,789 = 107,789 : x
  2. Step 2: Convert to fraction form
    70,995/107,789 = 107,789/x
  3. Step 3: Cross multiply
    70,995x = 107,789 × 107,789
  4. Step 4: Simplify right side
    70,995x = 11,618,468,521
  5. Step 5: Solve for x
    x = 11,618,468,521/70,995
  6. Step 6: Final answer
    x = 163,651.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.