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Finding the Third Proportional to 65,328.08 and 91,999.23

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Solution

The third proportional to 65,328.08 and 91,999.23 is: 129,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,328.08 : 91,999.23 = 91,999.23 : x
  2. Step 2: Convert to fraction form
    65,328.08/91,999.23 = 91,999.23/x
  3. Step 3: Cross multiply
    65,328.08x = 91,999.23 × 91,999.23
  4. Step 4: Simplify right side
    65,328.08x = 8,463,858,406.84
  5. Step 5: Solve for x
    x = 8,463,858,406.84/65,328.08
  6. Step 6: Final answer
    x = 129,559.27

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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.