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Finding the Third Proportional to 458,412 and 700,794

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Solution

The third proportional to 458,412 and 700,794 is: 1,071,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,412 : 700,794 = 700,794 : x
  2. Step 2: Convert to fraction form
    458,412/700,794 = 700,794/x
  3. Step 3: Cross multiply
    458,412x = 700,794 × 700,794
  4. Step 4: Simplify right side
    458,412x = 491,112,230,436
  5. Step 5: Solve for x
    x = 491,112,230,436/458,412
  6. Step 6: Final answer
    x = 1,071,333.71

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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.