Finding the Third Proportional to 311,728 and 455,924
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Solution
The third proportional to 311,728 and 455,924 is: 666,820.73
Step by Step Solution
- Step 1: Write the proportion equation
311,728 : 455,924 = 455,924 : x - Step 2: Convert to fraction form
311,728/455,924 = 455,924/x - Step 3: Cross multiply
311,728x = 455,924 × 455,924 - Step 4: Simplify right side
311,728x = 207,866,693,776 - Step 5: Solve for x
x = 207,866,693,776/311,728 - Step 6: Final answer
x = 666,820.73
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.