Finding the Third Proportional to 39,698,615 and 85,992,496
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Solution
The third proportional to 39,698,615 and 85,992,496 is: 186,271,217.98
Step by Step Solution
- Step 1: Write the proportion equation
39,698,615 : 85,992,496 = 85,992,496 : x - Step 2: Convert to fraction form
39,698,615/85,992,496 = 85,992,496/x - Step 3: Cross multiply
39,698,615x = 85,992,496 × 85,992,496 - Step 4: Simplify right side
39,698,615x = 7,394,709,368,310,016 - Step 5: Solve for x
x = 7,394,709,368,310,016/39,698,615 - Step 6: Final answer
x = 186,271,217.98
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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.