Finding the Third Proportional to 53,439.75 and 84,615.75
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Solution
The third proportional to 53,439.75 and 84,615.75 is: 133,979.39
Step by Step Solution
- Step 1: Write the proportion equation
53,439.75 : 84,615.75 = 84,615.75 : x - Step 2: Convert to fraction form
53,439.75/84,615.75 = 84,615.75/x - Step 3: Cross multiply
53,439.75x = 84,615.75 × 84,615.75 - Step 4: Simplify right side
53,439.75x = 7,159,825,148.06 - Step 5: Solve for x
x = 7,159,825,148.06/53,439.75 - Step 6: Final answer
x = 133,979.39
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.