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Finding the Third Proportional to 247,376 and 538,912

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Solution

The third proportional to 247,376 and 538,912 is: 1,174,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,376 : 538,912 = 538,912 : x
  2. Step 2: Convert to fraction form
    247,376/538,912 = 538,912/x
  3. Step 3: Cross multiply
    247,376x = 538,912 × 538,912
  4. Step 4: Simplify right side
    247,376x = 290,426,143,744
  5. Step 5: Solve for x
    x = 290,426,143,744/247,376
  6. Step 6: Final answer
    x = 1,174,027.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.