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Finding the Third Proportional to 178,101.75 and 384,619.50

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Solution

The third proportional to 178,101.75 and 384,619.50 is: 830,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,101.75 : 384,619.50 = 384,619.50 : x
  2. Step 2: Convert to fraction form
    178,101.75/384,619.50 = 384,619.50/x
  3. Step 3: Cross multiply
    178,101.75x = 384,619.50 × 384,619.50
  4. Step 4: Simplify right side
    178,101.75x = 147,932,159,780.25
  5. Step 5: Solve for x
    x = 147,932,159,780.25/178,101.75
  6. Step 6: Final answer
    x = 830,604.75

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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.