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Finding the Third Proportional to 11,547 and 13,245

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Solution

The third proportional to 11,547 and 13,245 is: 15,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547 : 13,245 = 13,245 : x
  2. Step 2: Convert to fraction form
    11,547/13,245 = 13,245/x
  3. Step 3: Cross multiply
    11,547x = 13,245 × 13,245
  4. Step 4: Simplify right side
    11,547x = 175,430,025
  5. Step 5: Solve for x
    x = 175,430,025/11,547
  6. Step 6: Final answer
    x = 15,192.69

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.