Finding the Third Proportional to 677,987.63 and 920,791.13
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Solution
The third proportional to 677,987.63 and 920,791.13 is: 1,250,548.34
Step by Step Solution
- Step 1: Write the proportion equation
677,987.63 : 920,791.13 = 920,791.13 : x - Step 2: Convert to fraction form
677,987.63/920,791.13 = 920,791.13/x - Step 3: Cross multiply
677,987.63x = 920,791.13 × 920,791.13 - Step 4: Simplify right side
677,987.63x = 847,856,295,878.77 - Step 5: Solve for x
x = 847,856,295,878.77/677,987.63 - Step 6: Final answer
x = 1,250,548.34
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.