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Finding the Third Proportional to 159,879 and 266,454

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Solution

The third proportional to 159,879 and 266,454 is: 444,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,879 : 266,454 = 266,454 : x
  2. Step 2: Convert to fraction form
    159,879/266,454 = 266,454/x
  3. Step 3: Cross multiply
    159,879x = 266,454 × 266,454
  4. Step 4: Simplify right side
    159,879x = 70,997,734,116
  5. Step 5: Solve for x
    x = 70,997,734,116/159,879
  6. Step 6: Final answer
    x = 444,071.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.