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Finding the Third Proportional to 368,694,898.88 and 789,979,037.63

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Solution

The third proportional to 368,694,898.88 and 789,979,037.63 is: 1,692,637,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,694,898.88 : 789,979,037.63 = 789,979,037.63 : x
  2. Step 2: Convert to fraction form
    368,694,898.88/789,979,037.63 = 789,979,037.63/x
  3. Step 3: Cross multiply
    368,694,898.88x = 789,979,037.63 × 789,979,037.63
  4. Step 4: Simplify right side
    368,694,898.88x = 624,066,879,886,921,216
  5. Step 5: Solve for x
    x = 624,066,879,886,921,216/368,694,898.88
  6. Step 6: Final answer
    x = 1,692,637,684.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.