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Finding the Third Proportional to 7,621,498,197 and 16,509,453,534

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Solution

The third proportional to 7,621,498,197 and 16,509,453,534 is: 35,762,267,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,498,197 : 16,509,453,534 = 16,509,453,534 : x
  2. Step 2: Convert to fraction form
    7,621,498,197/16,509,453,534 = 16,509,453,534/x
  3. Step 3: Cross multiply
    7,621,498,197x = 16,509,453,534 × 16,509,453,534
  4. Step 4: Simplify right side
    7,621,498,197x = 272,562,055,991,305,076,736
  5. Step 5: Solve for x
    x = 272,562,055,991,305,076,736/7,621,498,197
  6. Step 6: Final answer
    x = 35,762,267,331.98

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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.