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Finding the Third Proportional to 13,658.63 and 28,485

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Solution

The third proportional to 13,658.63 and 28,485 is: 59,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.63 : 28,485 = 28,485 : x
  2. Step 2: Convert to fraction form
    13,658.63/28,485 = 28,485/x
  3. Step 3: Cross multiply
    13,658.63x = 28,485 × 28,485
  4. Step 4: Simplify right side
    13,658.63x = 811,395,225
  5. Step 5: Solve for x
    x = 811,395,225/13,658.63
  6. Step 6: Final answer
    x = 59,405.34

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.