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Finding the Third Proportional to 35,939.25 and 77,987.25

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Solution

The third proportional to 35,939.25 and 77,987.25 is: 169,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.25 : 77,987.25 = 77,987.25 : x
  2. Step 2: Convert to fraction form
    35,939.25/77,987.25 = 77,987.25/x
  3. Step 3: Cross multiply
    35,939.25x = 77,987.25 × 77,987.25
  4. Step 4: Simplify right side
    35,939.25x = 6,082,011,162.56
  5. Step 5: Solve for x
    x = 6,082,011,162.56/35,939.25
  6. Step 6: Final answer
    x = 169,230.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.