Finding the Third Proportional to 3,987,555.75 and 8,747,115.75
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Solution
The third proportional to 3,987,555.75 and 8,747,115.75 is: 19,187,702.63
Step by Step Solution
- Step 1: Write the proportion equation
3,987,555.75 : 8,747,115.75 = 8,747,115.75 : x - Step 2: Convert to fraction form
3,987,555.75/8,747,115.75 = 8,747,115.75/x - Step 3: Cross multiply
3,987,555.75x = 8,747,115.75 × 8,747,115.75 - Step 4: Simplify right side
3,987,555.75x = 76,512,033,943,898.06 - Step 5: Solve for x
x = 76,512,033,943,898.06/3,987,555.75 - Step 6: Final answer
x = 19,187,702.63
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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.