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Finding the Third Proportional to 1,625.06 and 2,520.28

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Solution

The third proportional to 1,625.06 and 2,520.28 is: 3,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.06 : 2,520.28 = 2,520.28 : x
  2. Step 2: Convert to fraction form
    1,625.06/2,520.28 = 2,520.28/x
  3. Step 3: Cross multiply
    1,625.06x = 2,520.28 × 2,520.28
  4. Step 4: Simplify right side
    1,625.06x = 6,351,817.58
  5. Step 5: Solve for x
    x = 6,351,817.58/1,625.06
  6. Step 6: Final answer
    x = 3,908.66

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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.