Finding the Third Proportional to 78,600 and 169,710
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Solution
The third proportional to 78,600 and 169,710 is: 366,431.10
Step by Step Solution
- Step 1: Write the proportion equation
78,600 : 169,710 = 169,710 : x - Step 2: Convert to fraction form
78,600/169,710 = 169,710/x - Step 3: Cross multiply
78,600x = 169,710 × 169,710 - Step 4: Simplify right side
78,600x = 28,801,484,100 - Step 5: Solve for x
x = 28,801,484,100/78,600 - Step 6: Final answer
x = 366,431.10
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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.