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Finding the Third Proportional to 446,040.75 and 718,191

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Solution

The third proportional to 446,040.75 and 718,191 is: 1,156,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,040.75 : 718,191 = 718,191 : x
  2. Step 2: Convert to fraction form
    446,040.75/718,191 = 718,191/x
  3. Step 3: Cross multiply
    446,040.75x = 718,191 × 718,191
  4. Step 4: Simplify right side
    446,040.75x = 515,798,312,481
  5. Step 5: Solve for x
    x = 515,798,312,481/446,040.75
  6. Step 6: Final answer
    x = 1,156,392.80

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.