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Finding the Third Proportional to 1,625.06 and 3,780.84

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Solution

The third proportional to 1,625.06 and 3,780.84 is: 8,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.06 : 3,780.84 = 3,780.84 : x
  2. Step 2: Convert to fraction form
    1,625.06/3,780.84 = 3,780.84/x
  3. Step 3: Cross multiply
    1,625.06x = 3,780.84 × 3,780.84
  4. Step 4: Simplify right side
    1,625.06x = 14,294,779.46
  5. Step 5: Solve for x
    x = 14,294,779.46/1,625.06
  6. Step 6: Final answer
    x = 8,796.45

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.