Finding the Third Proportional to 78,362 and 164,788
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Solution
The third proportional to 78,362 and 164,788 is: 346,533.84
Step by Step Solution
- Step 1: Write the proportion equation
78,362 : 164,788 = 164,788 : x - Step 2: Convert to fraction form
78,362/164,788 = 164,788/x - Step 3: Cross multiply
78,362x = 164,788 × 164,788 - Step 4: Simplify right side
78,362x = 27,155,084,944 - Step 5: Solve for x
x = 27,155,084,944/78,362 - Step 6: Final answer
x = 346,533.84
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.