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Finding the Third Proportional to 159,753 and 257,367

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Solution

The third proportional to 159,753 and 257,367 is: 414,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753 : 257,367 = 257,367 : x
  2. Step 2: Convert to fraction form
    159,753/257,367 = 257,367/x
  3. Step 3: Cross multiply
    159,753x = 257,367 × 257,367
  4. Step 4: Simplify right side
    159,753x = 66,237,772,689
  5. Step 5: Solve for x
    x = 66,237,772,689/159,753
  6. Step 6: Final answer
    x = 414,626.16

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.