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Finding the Third Proportional to 197,176 and 305,880

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Solution

The third proportional to 197,176 and 305,880 is: 474,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,176 : 305,880 = 305,880 : x
  2. Step 2: Convert to fraction form
    197,176/305,880 = 305,880/x
  3. Step 3: Cross multiply
    197,176x = 305,880 × 305,880
  4. Step 4: Simplify right side
    197,176x = 93,562,574,400
  5. Step 5: Solve for x
    x = 93,562,574,400/197,176
  6. Step 6: Final answer
    x = 474,513.00

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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.