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Finding the Third Proportional to 167,283 and 342,720

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Solution

The third proportional to 167,283 and 342,720 is: 702,145.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,283 : 342,720 = 342,720 : x
  2. Step 2: Convert to fraction form
    167,283/342,720 = 342,720/x
  3. Step 3: Cross multiply
    167,283x = 342,720 × 342,720
  4. Step 4: Simplify right side
    167,283x = 117,456,998,400
  5. Step 5: Solve for x
    x = 117,456,998,400/167,283
  6. Step 6: Final answer
    x = 702,145.46

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.