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Finding the Third Proportional to 476,871.75 and 668,334.38

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Solution

The third proportional to 476,871.75 and 668,334.38 is: 936,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,871.75 : 668,334.38 = 668,334.38 : x
  2. Step 2: Convert to fraction form
    476,871.75/668,334.38 = 668,334.38/x
  3. Step 3: Cross multiply
    476,871.75x = 668,334.38 × 668,334.38
  4. Step 4: Simplify right side
    476,871.75x = 446,670,836,806.64
  5. Step 5: Solve for x
    x = 446,670,836,806.64/476,871.75
  6. Step 6: Final answer
    x = 936,668.69

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.