Finding the Third Proportional to 3,987,569.25 and 8,747,142.75
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Solution
The third proportional to 3,987,569.25 and 8,747,142.75 is: 19,187,756.12
Step by Step Solution
- Step 1: Write the proportion equation
3,987,569.25 : 8,747,142.75 = 8,747,142.75 : x - Step 2: Convert to fraction form
3,987,569.25/8,747,142.75 = 8,747,142.75/x - Step 3: Cross multiply
3,987,569.25x = 8,747,142.75 × 8,747,142.75 - Step 4: Simplify right side
3,987,569.25x = 76,512,506,288,877.56 - Step 5: Solve for x
x = 76,512,506,288,877.56/3,987,569.25 - Step 6: Final answer
x = 19,187,756.12
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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.