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Finding the Third Proportional to 64,215.28 and 102,268.41

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Solution

The third proportional to 64,215.28 and 102,268.41 is: 162,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.28 : 102,268.41 = 102,268.41 : x
  2. Step 2: Convert to fraction form
    64,215.28/102,268.41 = 102,268.41/x
  3. Step 3: Cross multiply
    64,215.28x = 102,268.41 × 102,268.41
  4. Step 4: Simplify right side
    64,215.28x = 10,458,826,916.92
  5. Step 5: Solve for x
    x = 10,458,826,916.92/64,215.28
  6. Step 6: Final answer
    x = 162,871.31

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.