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Finding the Third Proportional to 301,468 and 479,876

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Solution

The third proportional to 301,468 and 479,876 is: 763,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,468 : 479,876 = 479,876 : x
  2. Step 2: Convert to fraction form
    301,468/479,876 = 479,876/x
  3. Step 3: Cross multiply
    301,468x = 479,876 × 479,876
  4. Step 4: Simplify right side
    301,468x = 230,280,975,376
  5. Step 5: Solve for x
    x = 230,280,975,376/301,468
  6. Step 6: Final answer
    x = 763,865.40

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.