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Finding the Third Proportional to 160,968 and 342,728

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Solution

The third proportional to 160,968 and 342,728 is: 729,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968 : 342,728 = 342,728 : x
  2. Step 2: Convert to fraction form
    160,968/342,728 = 342,728/x
  3. Step 3: Cross multiply
    160,968x = 342,728 × 342,728
  4. Step 4: Simplify right side
    160,968x = 117,462,481,984
  5. Step 5: Solve for x
    x = 117,462,481,984/160,968
  6. Step 6: Final answer
    x = 729,725.67

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.