Finding the Third Proportional to 520,455 and 1,135,221
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Solution
The third proportional to 520,455 and 1,135,221 is: 2,476,153.98
Step by Step Solution
- Step 1: Write the proportion equation
520,455 : 1,135,221 = 1,135,221 : x - Step 2: Convert to fraction form
520,455/1,135,221 = 1,135,221/x - Step 3: Cross multiply
520,455x = 1,135,221 × 1,135,221 - Step 4: Simplify right side
520,455x = 1,288,726,718,841 - Step 5: Solve for x
x = 1,288,726,718,841/520,455 - Step 6: Final answer
x = 2,476,153.98
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.