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Finding the Third Proportional to 1,554.75 and 2,407.25

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Solution

The third proportional to 1,554.75 and 2,407.25 is: 3,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.75 : 2,407.25 = 2,407.25 : x
  2. Step 2: Convert to fraction form
    1,554.75/2,407.25 = 2,407.25/x
  3. Step 3: Cross multiply
    1,554.75x = 2,407.25 × 2,407.25
  4. Step 4: Simplify right side
    1,554.75x = 5,794,852.56
  5. Step 5: Solve for x
    x = 5,794,852.56/1,554.75
  6. Step 6: Final answer
    x = 3,727.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.