Finding the Third Proportional to 388,908 and 844,209
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Solution
The third proportional to 388,908 and 844,209 is: 1,832,538.38
Step by Step Solution
- Step 1: Write the proportion equation
388,908 : 844,209 = 844,209 : x - Step 2: Convert to fraction form
388,908/844,209 = 844,209/x - Step 3: Cross multiply
388,908x = 844,209 × 844,209 - Step 4: Simplify right side
388,908x = 712,688,835,681 - Step 5: Solve for x
x = 712,688,835,681/388,908 - Step 6: Final answer
x = 1,832,538.38
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.