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Finding the Third Proportional to 1,696,556.25 and 3,691,638

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Solution

The third proportional to 1,696,556.25 and 3,691,638 is: 8,032,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,556.25 : 3,691,638 = 3,691,638 : x
  2. Step 2: Convert to fraction form
    1,696,556.25/3,691,638 = 3,691,638/x
  3. Step 3: Cross multiply
    1,696,556.25x = 3,691,638 × 3,691,638
  4. Step 4: Simplify right side
    1,696,556.25x = 13,628,191,123,044
  5. Step 5: Solve for x
    x = 13,628,191,123,044/1,696,556.25
  6. Step 6: Final answer
    x = 8,032,855.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.