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Finding the Third Proportional to 250,990 and 368,112

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Solution

The third proportional to 250,990 and 368,112 is: 539,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,990 : 368,112 = 368,112 : x
  2. Step 2: Convert to fraction form
    250,990/368,112 = 368,112/x
  3. Step 3: Cross multiply
    250,990x = 368,112 × 368,112
  4. Step 4: Simplify right side
    250,990x = 135,506,444,544
  5. Step 5: Solve for x
    x = 135,506,444,544/250,990
  6. Step 6: Final answer
    x = 539,887.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.