Finding the Third Proportional to 311,753.81 and 672,154.88
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Solution
The third proportional to 311,753.81 and 672,154.88 is: 1,449,195.35
Step by Step Solution
- Step 1: Write the proportion equation
311,753.81 : 672,154.88 = 672,154.88 : x - Step 2: Convert to fraction form
311,753.81/672,154.88 = 672,154.88/x - Step 3: Cross multiply
311,753.81x = 672,154.88 × 672,154.88 - Step 4: Simplify right side
311,753.81x = 451,792,175,986.27 - Step 5: Solve for x
x = 451,792,175,986.27/311,753.81 - Step 6: Final answer
x = 1,449,195.35
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.