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Finding the Third Proportional to 168,040 and 369,208

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Solution

The third proportional to 168,040 and 369,208 is: 811,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,040 : 369,208 = 369,208 : x
  2. Step 2: Convert to fraction form
    168,040/369,208 = 369,208/x
  3. Step 3: Cross multiply
    168,040x = 369,208 × 369,208
  4. Step 4: Simplify right side
    168,040x = 136,314,547,264
  5. Step 5: Solve for x
    x = 136,314,547,264/168,040
  6. Step 6: Final answer
    x = 811,202.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.