Finding the Third Proportional to 138,291.44 and 213,579.56
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Solution
The third proportional to 138,291.44 and 213,579.56 is: 329,855.75
Step by Step Solution
- Step 1: Write the proportion equation
138,291.44 : 213,579.56 = 213,579.56 : x - Step 2: Convert to fraction form
138,291.44/213,579.56 = 213,579.56/x - Step 3: Cross multiply
138,291.44x = 213,579.56 × 213,579.56 - Step 4: Simplify right side
138,291.44x = 45,616,227,640.52 - Step 5: Solve for x
x = 45,616,227,640.52/138,291.44 - Step 6: Final answer
x = 329,855.75
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.