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Finding the Third Proportional to 12,237 and 13,330.50

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Solution

The third proportional to 12,237 and 13,330.50 is: 14,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237 : 13,330.50 = 13,330.50 : x
  2. Step 2: Convert to fraction form
    12,237/13,330.50 = 13,330.50/x
  3. Step 3: Cross multiply
    12,237x = 13,330.50 × 13,330.50
  4. Step 4: Simplify right side
    12,237x = 177,702,230.25
  5. Step 5: Solve for x
    x = 177,702,230.25/12,237
  6. Step 6: Final answer
    x = 14,521.72

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.