Finding the Third Proportional to 138,291.75 and 213,579.75
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Solution
The third proportional to 138,291.75 and 213,579.75 is: 329,855.61
Step by Step Solution
- Step 1: Write the proportion equation
138,291.75 : 213,579.75 = 213,579.75 : x - Step 2: Convert to fraction form
138,291.75/213,579.75 = 213,579.75/x - Step 3: Cross multiply
138,291.75x = 213,579.75 × 213,579.75 - Step 4: Simplify right side
138,291.75x = 45,616,309,610.06 - Step 5: Solve for x
x = 45,616,309,610.06/138,291.75 - Step 6: Final answer
x = 329,855.61
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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.