Finding the Third Proportional to 18,299,906 and 39,612,424
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Solution
The third proportional to 18,299,906 and 39,612,424 is: 85,746,021.60
Step by Step Solution
- Step 1: Write the proportion equation
18,299,906 : 39,612,424 = 39,612,424 : x - Step 2: Convert to fraction form
18,299,906/39,612,424 = 39,612,424/x - Step 3: Cross multiply
18,299,906x = 39,612,424 × 39,612,424 - Step 4: Simplify right side
18,299,906x = 1,569,144,135,155,776 - Step 5: Solve for x
x = 1,569,144,135,155,776/18,299,906 - Step 6: Final answer
x = 85,746,021.60
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.