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Finding the Third Proportional to 87,624 and 189,058

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Solution

The third proportional to 87,624 and 189,058 is: 407,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624 : 189,058 = 189,058 : x
  2. Step 2: Convert to fraction form
    87,624/189,058 = 189,058/x
  3. Step 3: Cross multiply
    87,624x = 189,058 × 189,058
  4. Step 4: Simplify right side
    87,624x = 35,742,927,364
  5. Step 5: Solve for x
    x = 35,742,927,364/87,624
  6. Step 6: Final answer
    x = 407,912.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.