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Finding the Third Proportional to 4,405.31 and 6,263.63

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Solution

The third proportional to 4,405.31 and 6,263.63 is: 8,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.31 : 6,263.63 = 6,263.63 : x
  2. Step 2: Convert to fraction form
    4,405.31/6,263.63 = 6,263.63/x
  3. Step 3: Cross multiply
    4,405.31x = 6,263.63 × 6,263.63
  4. Step 4: Simplify right side
    4,405.31x = 39,232,998.14
  5. Step 5: Solve for x
    x = 39,232,998.14/4,405.31
  6. Step 6: Final answer
    x = 8,905.84

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.