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Finding the Third Proportional to 87,230.25 and 130,842

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Solution

The third proportional to 87,230.25 and 130,842 is: 196,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,230.25 : 130,842 = 130,842 : x
  2. Step 2: Convert to fraction form
    87,230.25/130,842 = 130,842/x
  3. Step 3: Cross multiply
    87,230.25x = 130,842 × 130,842
  4. Step 4: Simplify right side
    87,230.25x = 17,119,628,964
  5. Step 5: Solve for x
    x = 17,119,628,964/87,230.25
  6. Step 6: Final answer
    x = 196,257.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.