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Finding the Third Proportional to 352,779 and 768,493.50

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Solution

The third proportional to 352,779 and 768,493.50 is: 1,674,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,779 : 768,493.50 = 768,493.50 : x
  2. Step 2: Convert to fraction form
    352,779/768,493.50 = 768,493.50/x
  3. Step 3: Cross multiply
    352,779x = 768,493.50 × 768,493.50
  4. Step 4: Simplify right side
    352,779x = 590,582,259,542.25
  5. Step 5: Solve for x
    x = 590,582,259,542.25/352,779
  6. Step 6: Final answer
    x = 1,674,085.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.