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Finding the Third Proportional to 74,080,801 and 159,539,778

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Solution

The third proportional to 74,080,801 and 159,539,778 is: 343,583,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,080,801 : 159,539,778 = 159,539,778 : x
  2. Step 2: Convert to fraction form
    74,080,801/159,539,778 = 159,539,778/x
  3. Step 3: Cross multiply
    74,080,801x = 159,539,778 × 159,539,778
  4. Step 4: Simplify right side
    74,080,801x = 25,452,940,764,289,284
  5. Step 5: Solve for x
    x = 25,452,940,764,289,284/74,080,801
  6. Step 6: Final answer
    x = 343,583,498.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.