Finding the Third Proportional to 74,921.63 and 159,378.38
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Solution
The third proportional to 74,921.63 and 159,378.38 is: 339,040.52
Step by Step Solution
- Step 1: Write the proportion equation
74,921.63 : 159,378.38 = 159,378.38 : x - Step 2: Convert to fraction form
74,921.63/159,378.38 = 159,378.38/x - Step 3: Cross multiply
74,921.63x = 159,378.38 × 159,378.38 - Step 4: Simplify right side
74,921.63x = 25,401,466,417.64 - Step 5: Solve for x
x = 25,401,466,417.64/74,921.63 - Step 6: Final answer
x = 339,040.52
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.