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Finding the Third Proportional to 353,788.88 and 777,080.25

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Solution

The third proportional to 353,788.88 and 777,080.25 is: 1,706,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,788.88 : 777,080.25 = 777,080.25 : x
  2. Step 2: Convert to fraction form
    353,788.88/777,080.25 = 777,080.25/x
  3. Step 3: Cross multiply
    353,788.88x = 777,080.25 × 777,080.25
  4. Step 4: Simplify right side
    353,788.88x = 603,853,714,940.06
  5. Step 5: Solve for x
    x = 603,853,714,940.06/353,788.88
  6. Step 6: Final answer
    x = 1,706,819.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.