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Finding the Third Proportional to 5,530,591,810 and 8,085,918,543

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Solution

The third proportional to 5,530,591,810 and 8,085,918,543 is: 11,821,895,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530,591,810 : 8,085,918,543 = 8,085,918,543 : x
  2. Step 2: Convert to fraction form
    5,530,591,810/8,085,918,543 = 8,085,918,543/x
  3. Step 3: Cross multiply
    5,530,591,810x = 8,085,918,543 × 8,085,918,543
  4. Step 4: Simplify right side
    5,530,591,810x = 65,382,078,684,031,246,336
  5. Step 5: Solve for x
    x = 65,382,078,684,031,246,336/5,530,591,810
  6. Step 6: Final answer
    x = 11,821,895,545.76

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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.