Finding the Third Proportional to 78,855 and 170,346
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Solution
The third proportional to 78,855 and 170,346 is: 367,988.84
Step by Step Solution
- Step 1: Write the proportion equation
78,855 : 170,346 = 170,346 : x - Step 2: Convert to fraction form
78,855/170,346 = 170,346/x - Step 3: Cross multiply
78,855x = 170,346 × 170,346 - Step 4: Simplify right side
78,855x = 29,017,759,716 - Step 5: Solve for x
x = 29,017,759,716/78,855 - Step 6: Final answer
x = 367,988.84
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.