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Finding the Third Proportional to 311,701.50 and 673,225.50

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Solution

The third proportional to 311,701.50 and 673,225.50 is: 1,454,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,701.50 : 673,225.50 = 673,225.50 : x
  2. Step 2: Convert to fraction form
    311,701.50/673,225.50 = 673,225.50/x
  3. Step 3: Cross multiply
    311,701.50x = 673,225.50 × 673,225.50
  4. Step 4: Simplify right side
    311,701.50x = 453,232,573,850.25
  5. Step 5: Solve for x
    x = 453,232,573,850.25/311,701.50
  6. Step 6: Final answer
    x = 1,454,059.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.