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Finding the Third Proportional to 481,228.50 and 672,808.50

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Solution

The third proportional to 481,228.50 and 672,808.50 is: 940,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,228.50 : 672,808.50 = 672,808.50 : x
  2. Step 2: Convert to fraction form
    481,228.50/672,808.50 = 672,808.50/x
  3. Step 3: Cross multiply
    481,228.50x = 672,808.50 × 672,808.50
  4. Step 4: Simplify right side
    481,228.50x = 452,671,277,672.25
  5. Step 5: Solve for x
    x = 452,671,277,672.25/481,228.50
  6. Step 6: Final answer
    x = 940,657.67

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.