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Finding the Third Proportional to 168,618 and 254,040

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Solution

The third proportional to 168,618 and 254,040 is: 382,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,618 : 254,040 = 254,040 : x
  2. Step 2: Convert to fraction form
    168,618/254,040 = 254,040/x
  3. Step 3: Cross multiply
    168,618x = 254,040 × 254,040
  4. Step 4: Simplify right side
    168,618x = 64,536,321,600
  5. Step 5: Solve for x
    x = 64,536,321,600/168,618
  6. Step 6: Final answer
    x = 382,736.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.