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Finding the Third Proportional to 3,276,555,362 and 7,220,977,057

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Solution

The third proportional to 3,276,555,362 and 7,220,977,057 is: 15,913,819,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,555,362 : 7,220,977,057 = 7,220,977,057 : x
  2. Step 2: Convert to fraction form
    3,276,555,362/7,220,977,057 = 7,220,977,057/x
  3. Step 3: Cross multiply
    3,276,555,362x = 7,220,977,057 × 7,220,977,057
  4. Step 4: Simplify right side
    3,276,555,362x = 52,142,509,657,720,381,440
  5. Step 5: Solve for x
    x = 52,142,509,657,720,381,440/3,276,555,362
  6. Step 6: Final answer
    x = 15,913,819,208.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.