Finding the Third Proportional to 39,319,890.75 and 86,198,053.50
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Solution
The third proportional to 39,319,890.75 and 86,198,053.50 is: 188,965,540.99
Step by Step Solution
- Step 1: Write the proportion equation
39,319,890.75 : 86,198,053.50 = 86,198,053.50 : x - Step 2: Convert to fraction form
39,319,890.75/86,198,053.50 = 86,198,053.50/x - Step 3: Cross multiply
39,319,890.75x = 86,198,053.50 × 86,198,053.50 - Step 4: Simplify right side
39,319,890.75x = 7,430,104,427,188,862 - Step 5: Solve for x
x = 7,430,104,427,188,862/39,319,890.75 - Step 6: Final answer
x = 188,965,540.99
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.