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Finding the Third Proportional to 7,381.88 and 11,052.38

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Solution

The third proportional to 7,381.88 and 11,052.38 is: 16,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.88 : 11,052.38 = 11,052.38 : x
  2. Step 2: Convert to fraction form
    7,381.88/11,052.38 = 11,052.38/x
  3. Step 3: Cross multiply
    7,381.88x = 11,052.38 × 11,052.38
  4. Step 4: Simplify right side
    7,381.88x = 122,154,993.14
  5. Step 5: Solve for x
    x = 122,154,993.14/7,381.88
  6. Step 6: Final answer
    x = 16,547.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.