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Finding the Third Proportional to 603,121 and 1,255,257

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Solution

The third proportional to 603,121 and 1,255,257 is: 2,612,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,121 : 1,255,257 = 1,255,257 : x
  2. Step 2: Convert to fraction form
    603,121/1,255,257 = 1,255,257/x
  3. Step 3: Cross multiply
    603,121x = 1,255,257 × 1,255,257
  4. Step 4: Simplify right side
    603,121x = 1,575,670,136,049
  5. Step 5: Solve for x
    x = 1,575,670,136,049/603,121
  6. Step 6: Final answer
    x = 2,612,527.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.