Finding the Third Proportional to 74,765.25 and 106,639.88
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Solution
The third proportional to 74,765.25 and 106,639.88 is: 152,103.59
Step by Step Solution
- Step 1: Write the proportion equation
74,765.25 : 106,639.88 = 106,639.88 : x - Step 2: Convert to fraction form
74,765.25/106,639.88 = 106,639.88/x - Step 3: Cross multiply
74,765.25x = 106,639.88 × 106,639.88 - Step 4: Simplify right side
74,765.25x = 11,372,062,940.02 - Step 5: Solve for x
x = 11,372,062,940.02/74,765.25 - Step 6: Final answer
x = 152,103.59
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.