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Finding the Third Proportional to 445,371.75 and 671,868

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Solution

The third proportional to 445,371.75 and 671,868 is: 1,013,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,371.75 : 671,868 = 671,868 : x
  2. Step 2: Convert to fraction form
    445,371.75/671,868 = 671,868/x
  3. Step 3: Cross multiply
    445,371.75x = 671,868 × 671,868
  4. Step 4: Simplify right side
    445,371.75x = 451,406,609,424
  5. Step 5: Solve for x
    x = 451,406,609,424/445,371.75
  6. Step 6: Final answer
    x = 1,013,550.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.