Finding the Third Proportional to 311,529.80 and 680,718.94
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Solution
The third proportional to 311,529.80 and 680,718.94 is: 1,487,428.41
Step by Step Solution
- Step 1: Write the proportion equation
311,529.80 : 680,718.94 = 680,718.94 : x - Step 2: Convert to fraction form
311,529.80/680,718.94 = 680,718.94/x - Step 3: Cross multiply
311,529.80x = 680,718.94 × 680,718.94 - Step 4: Simplify right side
311,529.80x = 463,378,271,871.13 - Step 5: Solve for x
x = 463,378,271,871.13/311,529.80 - Step 6: Final answer
x = 1,487,428.41
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.