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Finding the Third Proportional to 1,439,375,130 and 2,211,440,790

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Solution

The third proportional to 1,439,375,130 and 2,211,440,790 is: 3,397,634,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,375,130 : 2,211,440,790 = 2,211,440,790 : x
  2. Step 2: Convert to fraction form
    1,439,375,130/2,211,440,790 = 2,211,440,790/x
  3. Step 3: Cross multiply
    1,439,375,130x = 2,211,440,790 × 2,211,440,790
  4. Step 4: Simplify right side
    1,439,375,130x = 4,890,470,367,675,824,128
  5. Step 5: Solve for x
    x = 4,890,470,367,675,824,128/1,439,375,130
  6. Step 6: Final answer
    x = 3,397,634,338.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.