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Finding the Third Proportional to 1,690,331,803.88 and 2,335,719,078

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Solution

The third proportional to 1,690,331,803.88 and 2,335,719,078 is: 3,227,522,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,331,803.88 : 2,335,719,078 = 2,335,719,078 : x
  2. Step 2: Convert to fraction form
    1,690,331,803.88/2,335,719,078 = 2,335,719,078/x
  3. Step 3: Cross multiply
    1,690,331,803.88x = 2,335,719,078 × 2,335,719,078
  4. Step 4: Simplify right side
    1,690,331,803.88x = 5,455,583,611,333,170,176
  5. Step 5: Solve for x
    x = 5,455,583,611,333,170,176/1,690,331,803.88
  6. Step 6: Final answer
    x = 3,227,522,311.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.