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Finding the Third Proportional to 167,345 and 254,943

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Solution

The third proportional to 167,345 and 254,943 is: 388,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,345 : 254,943 = 254,943 : x
  2. Step 2: Convert to fraction form
    167,345/254,943 = 254,943/x
  3. Step 3: Cross multiply
    167,345x = 254,943 × 254,943
  4. Step 4: Simplify right side
    167,345x = 64,995,933,249
  5. Step 5: Solve for x
    x = 64,995,933,249/167,345
  6. Step 6: Final answer
    x = 388,394.83

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.