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Finding the Third Proportional to 11,213 and 15,235.50

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Solution

The third proportional to 11,213 and 15,235.50 is: 20,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213 : 15,235.50 = 15,235.50 : x
  2. Step 2: Convert to fraction form
    11,213/15,235.50 = 15,235.50/x
  3. Step 3: Cross multiply
    11,213x = 15,235.50 × 15,235.50
  4. Step 4: Simplify right side
    11,213x = 232,120,460.25
  5. Step 5: Solve for x
    x = 232,120,460.25/11,213
  6. Step 6: Final answer
    x = 20,701.01

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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.