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Finding the Third Proportional to 5,530,589,955 and 8,085,915,908

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Solution

The third proportional to 5,530,589,955 and 8,085,915,908 is: 11,821,891,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530,589,955 : 8,085,915,908 = 8,085,915,908 : x
  2. Step 2: Convert to fraction form
    5,530,589,955/8,085,915,908 = 8,085,915,908/x
  3. Step 3: Cross multiply
    5,530,589,955x = 8,085,915,908 × 8,085,915,908
  4. Step 4: Simplify right side
    5,530,589,955x = 65,382,036,071,247,462,400
  5. Step 5: Solve for x
    x = 65,382,036,071,247,462,400/5,530,589,955
  6. Step 6: Final answer
    x = 11,821,891,805.98

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.