Finding the Third Proportional to 870,488 and 1,917,515
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Solution
The third proportional to 870,488 and 1,917,515 is: 4,223,910.93
Step by Step Solution
- Step 1: Write the proportion equation
870,488 : 1,917,515 = 1,917,515 : x - Step 2: Convert to fraction form
870,488/1,917,515 = 1,917,515/x - Step 3: Cross multiply
870,488x = 1,917,515 × 1,917,515 - Step 4: Simplify right side
870,488x = 3,676,863,775,225 - Step 5: Solve for x
x = 3,676,863,775,225/870,488 - Step 6: Final answer
x = 4,223,910.93
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.