Finding the Third Proportional to 74,574 and 111,921.75
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Solution
The third proportional to 74,574 and 111,921.75 is: 167,973.80
Step by Step Solution
- Step 1: Write the proportion equation
74,574 : 111,921.75 = 111,921.75 : x - Step 2: Convert to fraction form
74,574/111,921.75 = 111,921.75/x - Step 3: Cross multiply
74,574x = 111,921.75 × 111,921.75 - Step 4: Simplify right side
74,574x = 12,526,478,123.06 - Step 5: Solve for x
x = 12,526,478,123.06/74,574 - Step 6: Final answer
x = 167,973.80
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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.