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Finding the Third Proportional to 3,309,929,472 and 7,200,985,992

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Solution

The third proportional to 3,309,929,472 and 7,200,985,992 is: 15,666,255,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,929,472 : 7,200,985,992 = 7,200,985,992 : x
  2. Step 2: Convert to fraction form
    3,309,929,472/7,200,985,992 = 7,200,985,992/x
  3. Step 3: Cross multiply
    3,309,929,472x = 7,200,985,992 × 7,200,985,992
  4. Step 4: Simplify right side
    3,309,929,472x = 51,854,199,256,980,226,048
  5. Step 5: Solve for x
    x = 51,854,199,256,980,226,048/3,309,929,472
  6. Step 6: Final answer
    x = 15,666,255,035.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.