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Finding the Third Proportional to 11,211.19 and 15,232.50

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Solution

The third proportional to 11,211.19 and 15,232.50 is: 20,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.19 : 15,232.50 = 15,232.50 : x
  2. Step 2: Convert to fraction form
    11,211.19/15,232.50 = 15,232.50/x
  3. Step 3: Cross multiply
    11,211.19x = 15,232.50 × 15,232.50
  4. Step 4: Simplify right side
    11,211.19x = 232,029,056.25
  5. Step 5: Solve for x
    x = 232,029,056.25/11,211.19
  6. Step 6: Final answer
    x = 20,696.21

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.