Finding the Third Proportional to 388,838.81 and 808,717.08
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Solution
The third proportional to 388,838.81 and 808,717.08 is: 1,681,990.82
Step by Step Solution
- Step 1: Write the proportion equation
388,838.81 : 808,717.08 = 808,717.08 : x - Step 2: Convert to fraction form
388,838.81/808,717.08 = 808,717.08/x - Step 3: Cross multiply
388,838.81x = 808,717.08 × 808,717.08 - Step 4: Simplify right side
388,838.81x = 654,023,312,451.04 - Step 5: Solve for x
x = 654,023,312,451.04/388,838.81 - Step 6: Final answer
x = 1,681,990.82
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.