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Finding the Third Proportional to 137,990,250 and 303,979,500

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Solution

The third proportional to 137,990,250 and 303,979,500 is: 669,638,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,990,250 : 303,979,500 = 303,979,500 : x
  2. Step 2: Convert to fraction form
    137,990,250/303,979,500 = 303,979,500/x
  3. Step 3: Cross multiply
    137,990,250x = 303,979,500 × 303,979,500
  4. Step 4: Simplify right side
    137,990,250x = 92,403,536,420,250,000
  5. Step 5: Solve for x
    x = 92,403,536,420,250,000/137,990,250
  6. Step 6: Final answer
    x = 669,638,155.02

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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.