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Finding the Third Proportional to 117,366 and 253,436

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Solution

The third proportional to 117,366 and 253,436 is: 547,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,366 : 253,436 = 253,436 : x
  2. Step 2: Convert to fraction form
    117,366/253,436 = 253,436/x
  3. Step 3: Cross multiply
    117,366x = 253,436 × 253,436
  4. Step 4: Simplify right side
    117,366x = 64,229,806,096
  5. Step 5: Solve for x
    x = 64,229,806,096/117,366
  6. Step 6: Final answer
    x = 547,260.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.