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Finding the Third Proportional to 13,955 and 30,664

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Solution

The third proportional to 13,955 and 30,664 is: 67,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955 : 30,664 = 30,664 : x
  2. Step 2: Convert to fraction form
    13,955/30,664 = 30,664/x
  3. Step 3: Cross multiply
    13,955x = 30,664 × 30,664
  4. Step 4: Simplify right side
    13,955x = 940,280,896
  5. Step 5: Solve for x
    x = 940,280,896/13,955
  6. Step 6: Final answer
    x = 67,379.50

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.