Finding the Third Proportional to 398,130 and 866,240
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Solution
The third proportional to 398,130 and 866,240 is: 1,884,740.51
Step by Step Solution
- Step 1: Write the proportion equation
398,130 : 866,240 = 866,240 : x - Step 2: Convert to fraction form
398,130/866,240 = 866,240/x - Step 3: Cross multiply
398,130x = 866,240 × 866,240 - Step 4: Simplify right side
398,130x = 750,371,737,600 - Step 5: Solve for x
x = 750,371,737,600/398,130 - Step 6: Final answer
x = 1,884,740.51
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.