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Finding the Third Proportional to 273,561.75 and 409,248

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Solution

The third proportional to 273,561.75 and 409,248 is: 612,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,561.75 : 409,248 = 409,248 : x
  2. Step 2: Convert to fraction form
    273,561.75/409,248 = 409,248/x
  3. Step 3: Cross multiply
    273,561.75x = 409,248 × 409,248
  4. Step 4: Simplify right side
    273,561.75x = 167,483,925,504
  5. Step 5: Solve for x
    x = 167,483,925,504/273,561.75
  6. Step 6: Final answer
    x = 612,234.44

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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.