Finding the Third Proportional to 78,775.13 and 118,220.63
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Solution
The third proportional to 78,775.13 and 118,220.63 is: 177,417.89
Step by Step Solution
- Step 1: Write the proportion equation
78,775.13 : 118,220.63 = 118,220.63 : x - Step 2: Convert to fraction form
78,775.13/118,220.63 = 118,220.63/x - Step 3: Cross multiply
78,775.13x = 118,220.63 × 118,220.63 - Step 4: Simplify right side
78,775.13x = 13,976,116,175.39 - Step 5: Solve for x
x = 13,976,116,175.39/78,775.13 - Step 6: Final answer
x = 177,417.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.