Finding the Third Proportional to 187,930.13 and 405,415.13
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Solution
The third proportional to 187,930.13 and 405,415.13 is: 874,587.95
Step by Step Solution
- Step 1: Write the proportion equation
187,930.13 : 405,415.13 = 405,415.13 : x - Step 2: Convert to fraction form
187,930.13/405,415.13 = 405,415.13/x - Step 3: Cross multiply
187,930.13x = 405,415.13 × 405,415.13 - Step 4: Simplify right side
187,930.13x = 164,361,423,578.77 - Step 5: Solve for x
x = 164,361,423,578.77/187,930.13 - Step 6: Final answer
x = 874,587.95
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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.