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Finding the Third Proportional to 4,651,386,039 and 7,149,515,260.50

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Solution

The third proportional to 4,651,386,039 and 7,149,515,260.50 is: 10,989,319,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651,386,039 : 7,149,515,260.50 = 7,149,515,260.50 : x
  2. Step 2: Convert to fraction form
    4,651,386,039/7,149,515,260.50 = 7,149,515,260.50/x
  3. Step 3: Cross multiply
    4,651,386,039x = 7,149,515,260.50 × 7,149,515,260.50
  4. Step 4: Simplify right side
    4,651,386,039x = 51,115,568,460,122,382,336
  5. Step 5: Solve for x
    x = 51,115,568,460,122,382,336/4,651,386,039
  6. Step 6: Final answer
    x = 10,989,319,749.33

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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.