Finding the Third Proportional to 308,403 and 474,639.75
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Solution
The third proportional to 308,403 and 474,639.75 is: 730,482.17
Step by Step Solution
- Step 1: Write the proportion equation
308,403 : 474,639.75 = 474,639.75 : x - Step 2: Convert to fraction form
308,403/474,639.75 = 474,639.75/x - Step 3: Cross multiply
308,403x = 474,639.75 × 474,639.75 - Step 4: Simplify right side
308,403x = 225,282,892,280.06 - Step 5: Solve for x
x = 225,282,892,280.06/308,403 - Step 6: Final answer
x = 730,482.17
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.