Finding the Third Proportional to 268,120.13 and 393,967.13
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Solution
The third proportional to 268,120.13 and 393,967.13 is: 578,882.68
Step by Step Solution
- Step 1: Write the proportion equation
268,120.13 : 393,967.13 = 393,967.13 : x - Step 2: Convert to fraction form
268,120.13/393,967.13 = 393,967.13/x - Step 3: Cross multiply
268,120.13x = 393,967.13 × 393,967.13 - Step 4: Simplify right side
268,120.13x = 155,210,095,580.77 - Step 5: Solve for x
x = 155,210,095,580.77/268,120.13 - Step 6: Final answer
x = 578,882.68
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.