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Finding the Third Proportional to 6,530.63 and 7,674.75

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Solution

The third proportional to 6,530.63 and 7,674.75 is: 9,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.63 : 7,674.75 = 7,674.75 : x
  2. Step 2: Convert to fraction form
    6,530.63/7,674.75 = 7,674.75/x
  3. Step 3: Cross multiply
    6,530.63x = 7,674.75 × 7,674.75
  4. Step 4: Simplify right side
    6,530.63x = 58,901,787.56
  5. Step 5: Solve for x
    x = 58,901,787.56/6,530.63
  6. Step 6: Final answer
    x = 9,019.32

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.