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Finding the Third Proportional to 13,335 and 28,615

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Solution

The third proportional to 13,335 and 28,615 is: 61,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335 : 28,615 = 28,615 : x
  2. Step 2: Convert to fraction form
    13,335/28,615 = 28,615/x
  3. Step 3: Cross multiply
    13,335x = 28,615 × 28,615
  4. Step 4: Simplify right side
    13,335x = 818,818,225
  5. Step 5: Solve for x
    x = 818,818,225/13,335
  6. Step 6: Final answer
    x = 61,403.69

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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.