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Finding the Third Proportional to 13,705.50 and 29,489.50

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Solution

The third proportional to 13,705.50 and 29,489.50 is: 63,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.50 : 29,489.50 = 29,489.50 : x
  2. Step 2: Convert to fraction form
    13,705.50/29,489.50 = 29,489.50/x
  3. Step 3: Cross multiply
    13,705.50x = 29,489.50 × 29,489.50
  4. Step 4: Simplify right side
    13,705.50x = 869,630,610.25
  5. Step 5: Solve for x
    x = 869,630,610.25/13,705.50
  6. Step 6: Final answer
    x = 63,451.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.