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Finding the Third Proportional to 81,393 and 169,024

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Solution

The third proportional to 81,393 and 169,024 is: 351,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,393 : 169,024 = 169,024 : x
  2. Step 2: Convert to fraction form
    81,393/169,024 = 169,024/x
  3. Step 3: Cross multiply
    81,393x = 169,024 × 169,024
  4. Step 4: Simplify right side
    81,393x = 28,569,112,576
  5. Step 5: Solve for x
    x = 28,569,112,576/81,393
  6. Step 6: Final answer
    x = 351,002.08

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.