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Finding the Third Proportional to 358,482 and 550,256

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Solution

The third proportional to 358,482 and 550,256 is: 844,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,482 : 550,256 = 550,256 : x
  2. Step 2: Convert to fraction form
    358,482/550,256 = 550,256/x
  3. Step 3: Cross multiply
    358,482x = 550,256 × 550,256
  4. Step 4: Simplify right side
    358,482x = 302,781,665,536
  5. Step 5: Solve for x
    x = 302,781,665,536/358,482
  6. Step 6: Final answer
    x = 844,621.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.