Finding the Third Proportional to 139,122 and 302,908
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Solution
The third proportional to 139,122 and 302,908 is: 659,516.51
Step by Step Solution
- Step 1: Write the proportion equation
139,122 : 302,908 = 302,908 : x - Step 2: Convert to fraction form
139,122/302,908 = 302,908/x - Step 3: Cross multiply
139,122x = 302,908 × 302,908 - Step 4: Simplify right side
139,122x = 91,753,256,464 - Step 5: Solve for x
x = 91,753,256,464/139,122 - Step 6: Final answer
x = 659,516.51
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.