Home / 1,389,729,436.03-2,117,158,072.73

Finding the Third Proportional to 1,389,729,436.03 and 2,117,158,072.73

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Solution

The third proportional to 1,389,729,436.03 and 2,117,158,072.73 is: 3,225,346,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,729,436.03 : 2,117,158,072.73 = 2,117,158,072.73 : x
  2. Step 2: Convert to fraction form
    1,389,729,436.03/2,117,158,072.73 = 2,117,158,072.73/x
  3. Step 3: Cross multiply
    1,389,729,436.03x = 2,117,158,072.73 × 2,117,158,072.73
  4. Step 4: Simplify right side
    1,389,729,436.03x = 4,482,358,304,944,439,296
  5. Step 5: Solve for x
    x = 4,482,358,304,944,439,296/1,389,729,436.03
  6. Step 6: Final answer
    x = 3,225,346,019.69

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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.