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Finding the Third Proportional to 3,945,771,873 and 8,586,158,598

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Solution

The third proportional to 3,945,771,873 and 8,586,158,598 is: 18,683,827,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,771,873 : 8,586,158,598 = 8,586,158,598 : x
  2. Step 2: Convert to fraction form
    3,945,771,873/8,586,158,598 = 8,586,158,598/x
  3. Step 3: Cross multiply
    3,945,771,873x = 8,586,158,598 × 8,586,158,598
  4. Step 4: Simplify right side
    3,945,771,873x = 73,722,119,470,009,327,616
  5. Step 5: Solve for x
    x = 73,722,119,470,009,327,616/3,945,771,873
  6. Step 6: Final answer
    x = 18,683,827,104.77

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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.