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Finding the Third Proportional to 162,486 and 251,104

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Solution

The third proportional to 162,486 and 251,104 is: 388,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,486 : 251,104 = 251,104 : x
  2. Step 2: Convert to fraction form
    162,486/251,104 = 251,104/x
  3. Step 3: Cross multiply
    162,486x = 251,104 × 251,104
  4. Step 4: Simplify right side
    162,486x = 63,053,218,816
  5. Step 5: Solve for x
    x = 63,053,218,816/162,486
  6. Step 6: Final answer
    x = 388,053.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.