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Finding the Third Proportional to 3,620.95 and 5,165.02

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Solution

The third proportional to 3,620.95 and 5,165.02 is: 7,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.95 : 5,165.02 = 5,165.02 : x
  2. Step 2: Convert to fraction form
    3,620.95/5,165.02 = 5,165.02/x
  3. Step 3: Cross multiply
    3,620.95x = 5,165.02 × 5,165.02
  4. Step 4: Simplify right side
    3,620.95x = 26,677,386.41
  5. Step 5: Solve for x
    x = 26,677,386.41/3,620.95
  6. Step 6: Final answer
    x = 7,367.50

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.