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Finding the Third Proportional to 11,554.50 and 13,377

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Solution

The third proportional to 11,554.50 and 13,377 is: 15,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.50 : 13,377 = 13,377 : x
  2. Step 2: Convert to fraction form
    11,554.50/13,377 = 13,377/x
  3. Step 3: Cross multiply
    11,554.50x = 13,377 × 13,377
  4. Step 4: Simplify right side
    11,554.50x = 178,944,129
  5. Step 5: Solve for x
    x = 178,944,129/11,554.50
  6. Step 6: Final answer
    x = 15,486.96

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.