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Finding the Third Proportional to 3,929,792,179 and 8,522,640,071

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Solution

The third proportional to 3,929,792,179 and 8,522,640,071 is: 18,483,265,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,792,179 : 8,522,640,071 = 8,522,640,071 : x
  2. Step 2: Convert to fraction form
    3,929,792,179/8,522,640,071 = 8,522,640,071/x
  3. Step 3: Cross multiply
    3,929,792,179x = 8,522,640,071 × 8,522,640,071
  4. Step 4: Simplify right side
    3,929,792,179x = 72,635,393,779,814,883,328
  5. Step 5: Solve for x
    x = 72,635,393,779,814,883,328/3,929,792,179
  6. Step 6: Final answer
    x = 18,483,265,900.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.