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Finding the Third Proportional to 628,966.50 and 1,381,491

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Solution

The third proportional to 628,966.50 and 1,381,491 is: 3,034,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,966.50 : 1,381,491 = 1,381,491 : x
  2. Step 2: Convert to fraction form
    628,966.50/1,381,491 = 1,381,491/x
  3. Step 3: Cross multiply
    628,966.50x = 1,381,491 × 1,381,491
  4. Step 4: Simplify right side
    628,966.50x = 1,908,517,383,081
  5. Step 5: Solve for x
    x = 1,908,517,383,081/628,966.50
  6. Step 6: Final answer
    x = 3,034,370.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.