Finding the Third Proportional to 155,982 and 319,356
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Solution
The third proportional to 155,982 and 319,356 is: 653,846.31
Step by Step Solution
- Step 1: Write the proportion equation
155,982 : 319,356 = 319,356 : x - Step 2: Convert to fraction form
155,982/319,356 = 319,356/x - Step 3: Cross multiply
155,982x = 319,356 × 319,356 - Step 4: Simplify right side
155,982x = 101,988,254,736 - Step 5: Solve for x
x = 101,988,254,736/155,982 - Step 6: Final answer
x = 653,846.31
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.