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Finding the Third Proportional to 457,879.50 and 700,427.25

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Solution

The third proportional to 457,879.50 and 700,427.25 is: 1,071,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,879.50 : 700,427.25 = 700,427.25 : x
  2. Step 2: Convert to fraction form
    457,879.50/700,427.25 = 700,427.25/x
  3. Step 3: Cross multiply
    457,879.50x = 700,427.25 × 700,427.25
  4. Step 4: Simplify right side
    457,879.50x = 490,598,332,542.56
  5. Step 5: Solve for x
    x = 490,598,332,542.56/457,879.50
  6. Step 6: Final answer
    x = 1,071,457.30

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.