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Finding the Third Proportional to 114,930.75 and 178,374.75

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Solution

The third proportional to 114,930.75 and 178,374.75 is: 276,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,930.75 : 178,374.75 = 178,374.75 : x
  2. Step 2: Convert to fraction form
    114,930.75/178,374.75 = 178,374.75/x
  3. Step 3: Cross multiply
    114,930.75x = 178,374.75 × 178,374.75
  4. Step 4: Simplify right side
    114,930.75x = 31,817,551,437.56
  5. Step 5: Solve for x
    x = 31,817,551,437.56/114,930.75
  6. Step 6: Final answer
    x = 276,841.07

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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.