Finding the Third Proportional to 138,439.13 and 302,502.09
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Solution
The third proportional to 138,439.13 and 302,502.09 is: 660,994.62
Step by Step Solution
- Step 1: Write the proportion equation
138,439.13 : 302,502.09 = 302,502.09 : x - Step 2: Convert to fraction form
138,439.13/302,502.09 = 302,502.09/x - Step 3: Cross multiply
138,439.13x = 302,502.09 × 302,502.09 - Step 4: Simplify right side
138,439.13x = 91,507,516,723.13 - Step 5: Solve for x
x = 91,507,516,723.13/138,439.13 - Step 6: Final answer
x = 660,994.62
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.