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Finding the Third Proportional to 178,363.50 and 276,059.75

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Solution

The third proportional to 178,363.50 and 276,059.75 is: 427,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,363.50 : 276,059.75 = 276,059.75 : x
  2. Step 2: Convert to fraction form
    178,363.50/276,059.75 = 276,059.75/x
  3. Step 3: Cross multiply
    178,363.50x = 276,059.75 × 276,059.75
  4. Step 4: Simplify right side
    178,363.50x = 76,208,985,570.06
  5. Step 5: Solve for x
    x = 76,208,985,570.06/178,363.50
  6. Step 6: Final answer
    x = 427,267.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.