Finding the Third Proportional to 311,615.44 and 688,623.19
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Solution
The third proportional to 311,615.44 and 688,623.19 is: 1,521,753.54
Step by Step Solution
- Step 1: Write the proportion equation
311,615.44 : 688,623.19 = 688,623.19 : x - Step 2: Convert to fraction form
311,615.44/688,623.19 = 688,623.19/x - Step 3: Cross multiply
311,615.44x = 688,623.19 × 688,623.19 - Step 4: Simplify right side
311,615.44x = 474,201,894,362.66 - Step 5: Solve for x
x = 474,201,894,362.66/311,615.44 - Step 6: Final answer
x = 1,521,753.54
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These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.