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Finding the Third Proportional to 173,586 and 260,379

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Solution

The third proportional to 173,586 and 260,379 is: 390,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,586 : 260,379 = 260,379 : x
  2. Step 2: Convert to fraction form
    173,586/260,379 = 260,379/x
  3. Step 3: Cross multiply
    173,586x = 260,379 × 260,379
  4. Step 4: Simplify right side
    173,586x = 67,797,223,641
  5. Step 5: Solve for x
    x = 67,797,223,641/173,586
  6. Step 6: Final answer
    x = 390,568.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.