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Finding the Third Proportional to 207,362 and 311,834

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Solution

The third proportional to 207,362 and 311,834 is: 468,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,362 : 311,834 = 311,834 : x
  2. Step 2: Convert to fraction form
    207,362/311,834 = 311,834/x
  3. Step 3: Cross multiply
    207,362x = 311,834 × 311,834
  4. Step 4: Simplify right side
    207,362x = 97,240,443,556
  5. Step 5: Solve for x
    x = 97,240,443,556/207,362
  6. Step 6: Final answer
    x = 468,940.52

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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.