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Finding the Third Proportional to 4,426.31 and 9,657.56

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Solution

The third proportional to 4,426.31 and 9,657.56 is: 21,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.31 : 9,657.56 = 9,657.56 : x
  2. Step 2: Convert to fraction form
    4,426.31/9,657.56 = 9,657.56/x
  3. Step 3: Cross multiply
    4,426.31x = 9,657.56 × 9,657.56
  4. Step 4: Simplify right side
    4,426.31x = 93,268,513.44
  5. Step 5: Solve for x
    x = 93,268,513.44/4,426.31
  6. Step 6: Final answer
    x = 21,071.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.