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Finding the Third Proportional to 251,116 and 372,330

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Solution

The third proportional to 251,116 and 372,330 is: 552,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,116 : 372,330 = 372,330 : x
  2. Step 2: Convert to fraction form
    251,116/372,330 = 372,330/x
  3. Step 3: Cross multiply
    251,116x = 372,330 × 372,330
  4. Step 4: Simplify right side
    251,116x = 138,629,628,900
  5. Step 5: Solve for x
    x = 138,629,628,900/251,116
  6. Step 6: Final answer
    x = 552,054.15

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.