Finding the Third Proportional to 638,152 and 987,998
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Solution
The third proportional to 638,152 and 987,998 is: 1,529,635.65
Step by Step Solution
- Step 1: Write the proportion equation
638,152 : 987,998 = 987,998 : x - Step 2: Convert to fraction form
638,152/987,998 = 987,998/x - Step 3: Cross multiply
638,152x = 987,998 × 987,998 - Step 4: Simplify right side
638,152x = 976,140,048,004 - Step 5: Solve for x
x = 976,140,048,004/638,152 - Step 6: Final answer
x = 1,529,635.65
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.