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Finding the Third Proportional to 114,931.50 and 178,410.75

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Solution

The third proportional to 114,931.50 and 178,410.75 is: 276,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,931.50 : 178,410.75 = 178,410.75 : x
  2. Step 2: Convert to fraction form
    114,931.50/178,410.75 = 178,410.75/x
  3. Step 3: Cross multiply
    114,931.50x = 178,410.75 × 178,410.75
  4. Step 4: Simplify right side
    114,931.50x = 31,830,395,715.56
  5. Step 5: Solve for x
    x = 31,830,395,715.56/114,931.50
  6. Step 6: Final answer
    x = 276,951.02

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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.