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Finding the Third Proportional to 3,225.63 and 4,985.25

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Solution

The third proportional to 3,225.63 and 4,985.25 is: 7,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.63 : 4,985.25 = 4,985.25 : x
  2. Step 2: Convert to fraction form
    3,225.63/4,985.25 = 4,985.25/x
  3. Step 3: Cross multiply
    3,225.63x = 4,985.25 × 4,985.25
  4. Step 4: Simplify right side
    3,225.63x = 24,852,717.56
  5. Step 5: Solve for x
    x = 24,852,717.56/3,225.63
  6. Step 6: Final answer
    x = 7,704.78

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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.