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Finding the Third Proportional to 999.94 and 1,556.53

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Solution

The third proportional to 999.94 and 1,556.53 is: 2,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.94 : 1,556.53 = 1,556.53 : x
  2. Step 2: Convert to fraction form
    999.94/1,556.53 = 1,556.53/x
  3. Step 3: Cross multiply
    999.94x = 1,556.53 × 1,556.53
  4. Step 4: Simplify right side
    999.94x = 2,422,789.53
  5. Step 5: Solve for x
    x = 2,422,789.53/999.94
  6. Step 6: Final answer
    x = 2,422.94

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.