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Finding the Third Proportional to 302,310 and 624,204

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Solution

The third proportional to 302,310 and 624,204 is: 1,288,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,310 : 624,204 = 624,204 : x
  2. Step 2: Convert to fraction form
    302,310/624,204 = 624,204/x
  3. Step 3: Cross multiply
    302,310x = 624,204 × 624,204
  4. Step 4: Simplify right side
    302,310x = 389,630,633,616
  5. Step 5: Solve for x
    x = 389,630,633,616/302,310
  6. Step 6: Final answer
    x = 1,288,844.67

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.