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Finding the Third Proportional to 86,805 and 176,024

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Solution

The third proportional to 86,805 and 176,024 is: 356,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,805 : 176,024 = 176,024 : x
  2. Step 2: Convert to fraction form
    86,805/176,024 = 176,024/x
  3. Step 3: Cross multiply
    86,805x = 176,024 × 176,024
  4. Step 4: Simplify right side
    86,805x = 30,984,448,576
  5. Step 5: Solve for x
    x = 30,984,448,576/86,805
  6. Step 6: Final answer
    x = 356,943.13

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.