Finding the Third Proportional to 39,411,873 and 84,649,509
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Solution
The third proportional to 39,411,873 and 84,649,509 is: 181,811,693.50
Step by Step Solution
- Step 1: Write the proportion equation
39,411,873 : 84,649,509 = 84,649,509 : x - Step 2: Convert to fraction form
39,411,873/84,649,509 = 84,649,509/x - Step 3: Cross multiply
39,411,873x = 84,649,509 × 84,649,509 - Step 4: Simplify right side
39,411,873x = 7,165,539,373,941,081 - Step 5: Solve for x
x = 7,165,539,373,941,081/39,411,873 - Step 6: Final answer
x = 181,811,693.50
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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.