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Finding the Third Proportional to 874,287 and 1,881,434.25

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Solution

The third proportional to 874,287 and 1,881,434.25 is: 4,048,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,287 : 1,881,434.25 = 1,881,434.25 : x
  2. Step 2: Convert to fraction form
    874,287/1,881,434.25 = 1,881,434.25/x
  3. Step 3: Cross multiply
    874,287x = 1,881,434.25 × 1,881,434.25
  4. Step 4: Simplify right side
    874,287x = 3,539,794,837,073.06
  5. Step 5: Solve for x
    x = 3,539,794,837,073.06/874,287
  6. Step 6: Final answer
    x = 4,048,778.99

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.