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Finding the Third Proportional to 6,129 and 13,459.50

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Solution

The third proportional to 6,129 and 13,459.50 is: 29,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129 : 13,459.50 = 13,459.50 : x
  2. Step 2: Convert to fraction form
    6,129/13,459.50 = 13,459.50/x
  3. Step 3: Cross multiply
    6,129x = 13,459.50 × 13,459.50
  4. Step 4: Simplify right side
    6,129x = 181,158,140.25
  5. Step 5: Solve for x
    x = 181,158,140.25/6,129
  6. Step 6: Final answer
    x = 29,557.54

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Why These Related Problems?

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