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Finding the Third Proportional to 254,466 and 552,780

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Solution

The third proportional to 254,466 and 552,780 is: 1,200,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,466 : 552,780 = 552,780 : x
  2. Step 2: Convert to fraction form
    254,466/552,780 = 552,780/x
  3. Step 3: Cross multiply
    254,466x = 552,780 × 552,780
  4. Step 4: Simplify right side
    254,466x = 305,565,728,400
  5. Step 5: Solve for x
    x = 305,565,728,400/254,466
  6. Step 6: Final answer
    x = 1,200,811.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.