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Finding the Third Proportional to 251,916 and 376,530

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Solution

The third proportional to 251,916 and 376,530 is: 562,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,916 : 376,530 = 376,530 : x
  2. Step 2: Convert to fraction form
    251,916/376,530 = 376,530/x
  3. Step 3: Cross multiply
    251,916x = 376,530 × 376,530
  4. Step 4: Simplify right side
    251,916x = 141,774,840,900
  5. Step 5: Solve for x
    x = 141,774,840,900/251,916
  6. Step 6: Final answer
    x = 562,786.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.