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Finding the Third Proportional to 55,296 and 117,312

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Solution

The third proportional to 55,296 and 117,312 is: 248,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296 : 117,312 = 117,312 : x
  2. Step 2: Convert to fraction form
    55,296/117,312 = 117,312/x
  3. Step 3: Cross multiply
    55,296x = 117,312 × 117,312
  4. Step 4: Simplify right side
    55,296x = 13,762,105,344
  5. Step 5: Solve for x
    x = 13,762,105,344/55,296
  6. Step 6: Final answer
    x = 248,880.67

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.