Finding the Third Proportional to 18,180,310 and 39,781,412
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Solution
The third proportional to 18,180,310 and 39,781,412 is: 87,048,061.38
Step by Step Solution
- Step 1: Write the proportion equation
18,180,310 : 39,781,412 = 39,781,412 : x - Step 2: Convert to fraction form
18,180,310/39,781,412 = 39,781,412/x - Step 3: Cross multiply
18,180,310x = 39,781,412 × 39,781,412 - Step 4: Simplify right side
18,180,310x = 1,582,560,740,713,744 - Step 5: Solve for x
x = 1,582,560,740,713,744/18,180,310 - Step 6: Final answer
x = 87,048,061.38
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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.