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Finding the Third Proportional to 804,640 and 1,675,420

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Solution

The third proportional to 804,640 and 1,675,420 is: 3,488,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,640 : 1,675,420 = 1,675,420 : x
  2. Step 2: Convert to fraction form
    804,640/1,675,420 = 1,675,420/x
  3. Step 3: Cross multiply
    804,640x = 1,675,420 × 1,675,420
  4. Step 4: Simplify right side
    804,640x = 2,807,032,176,400
  5. Step 5: Solve for x
    x = 2,807,032,176,400/804,640
  6. Step 6: Final answer
    x = 3,488,556.59

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.