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Finding the Third Proportional to 13,419 and 28,885.50

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Solution

The third proportional to 13,419 and 28,885.50 is: 62,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419 : 28,885.50 = 28,885.50 : x
  2. Step 2: Convert to fraction form
    13,419/28,885.50 = 28,885.50/x
  3. Step 3: Cross multiply
    13,419x = 28,885.50 × 28,885.50
  4. Step 4: Simplify right side
    13,419x = 834,372,110.25
  5. Step 5: Solve for x
    x = 834,372,110.25/13,419
  6. Step 6: Final answer
    x = 62,178.41

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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.