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Finding the Third Proportional to 11,948 and 18,614

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Solution

The third proportional to 11,948 and 18,614 is: 28,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948 : 18,614 = 18,614 : x
  2. Step 2: Convert to fraction form
    11,948/18,614 = 18,614/x
  3. Step 3: Cross multiply
    11,948x = 18,614 × 18,614
  4. Step 4: Simplify right side
    11,948x = 346,480,996
  5. Step 5: Solve for x
    x = 346,480,996/11,948
  6. Step 6: Final answer
    x = 28,999.08

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.