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Finding the Third Proportional to 433,872 and 888,880

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Solution

The third proportional to 433,872 and 888,880 is: 1,821,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,872 : 888,880 = 888,880 : x
  2. Step 2: Convert to fraction form
    433,872/888,880 = 888,880/x
  3. Step 3: Cross multiply
    433,872x = 888,880 × 888,880
  4. Step 4: Simplify right side
    433,872x = 790,107,654,400
  5. Step 5: Solve for x
    x = 790,107,654,400/433,872
  6. Step 6: Final answer
    x = 1,821,061.64

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.