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Finding the Third Proportional to 976,230,296.44 and 1,487,185,990.88

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Solution

The third proportional to 976,230,296.44 and 1,487,185,990.88 is: 2,265,574,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,230,296.44 : 1,487,185,990.88 = 1,487,185,990.88 : x
  2. Step 2: Convert to fraction form
    976,230,296.44/1,487,185,990.88 = 1,487,185,990.88/x
  3. Step 3: Cross multiply
    976,230,296.44x = 1,487,185,990.88 × 1,487,185,990.88
  4. Step 4: Simplify right side
    976,230,296.44x = 2,211,722,171,454,855,680
  5. Step 5: Solve for x
    x = 2,211,722,171,454,855,680/976,230,296.44
  6. Step 6: Final answer
    x = 2,265,574,198.55

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.