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Finding the Third Proportional to 12,009.52 and 18,866.67

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Solution

The third proportional to 12,009.52 and 18,866.67 is: 29,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.52 : 18,866.67 = 18,866.67 : x
  2. Step 2: Convert to fraction form
    12,009.52/18,866.67 = 18,866.67/x
  3. Step 3: Cross multiply
    12,009.52x = 18,866.67 × 18,866.67
  4. Step 4: Simplify right side
    12,009.52x = 355,951,307.64
  5. Step 5: Solve for x
    x = 355,951,307.64/12,009.52
  6. Step 6: Final answer
    x = 29,639.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.