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Finding the Third Proportional to 4,435.31 and 6,653.63

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Solution

The third proportional to 4,435.31 and 6,653.63 is: 9,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.31 : 6,653.63 = 6,653.63 : x
  2. Step 2: Convert to fraction form
    4,435.31/6,653.63 = 6,653.63/x
  3. Step 3: Cross multiply
    4,435.31x = 6,653.63 × 6,653.63
  4. Step 4: Simplify right side
    4,435.31x = 44,270,725.64
  5. Step 5: Solve for x
    x = 44,270,725.64/4,435.31
  6. Step 6: Final answer
    x = 9,981.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.