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Finding the Third Proportional to 288,187,683.50 and 620,143,795

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Solution

The third proportional to 288,187,683.50 and 620,143,795 is: 1,334,471,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,187,683.50 : 620,143,795 = 620,143,795 : x
  2. Step 2: Convert to fraction form
    288,187,683.50/620,143,795 = 620,143,795/x
  3. Step 3: Cross multiply
    288,187,683.50x = 620,143,795 × 620,143,795
  4. Step 4: Simplify right side
    288,187,683.50x = 384,578,326,477,002,048
  5. Step 5: Solve for x
    x = 384,578,326,477,002,048/288,187,683.50
  6. Step 6: Final answer
    x = 1,334,471,764.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.