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Finding the Third Proportional to 1,556.25 and 3,306.75

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Solution

The third proportional to 1,556.25 and 3,306.75 is: 7,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.25 : 3,306.75 = 3,306.75 : x
  2. Step 2: Convert to fraction form
    1,556.25/3,306.75 = 3,306.75/x
  3. Step 3: Cross multiply
    1,556.25x = 3,306.75 × 3,306.75
  4. Step 4: Simplify right side
    1,556.25x = 10,934,595.56
  5. Step 5: Solve for x
    x = 10,934,595.56/1,556.25
  6. Step 6: Final answer
    x = 7,026.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.