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Finding the Third Proportional to 175,176 and 384,240

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Solution

The third proportional to 175,176 and 384,240 is: 842,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,176 : 384,240 = 384,240 : x
  2. Step 2: Convert to fraction form
    175,176/384,240 = 384,240/x
  3. Step 3: Cross multiply
    175,176x = 384,240 × 384,240
  4. Step 4: Simplify right side
    175,176x = 147,640,377,600
  5. Step 5: Solve for x
    x = 147,640,377,600/175,176
  6. Step 6: Final answer
    x = 842,811.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.