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Finding the Third Proportional to 55,953 and 120,222

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Solution

The third proportional to 55,953 and 120,222 is: 258,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953 : 120,222 = 120,222 : x
  2. Step 2: Convert to fraction form
    55,953/120,222 = 120,222/x
  3. Step 3: Cross multiply
    55,953x = 120,222 × 120,222
  4. Step 4: Simplify right side
    55,953x = 14,453,329,284
  5. Step 5: Solve for x
    x = 14,453,329,284/55,953
  6. Step 6: Final answer
    x = 258,311.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.