Finding the Third Proportional to 163,899.75 and 253,128.75
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Solution
The third proportional to 163,899.75 and 253,128.75 is: 390,935.09
Step by Step Solution
- Step 1: Write the proportion equation
163,899.75 : 253,128.75 = 253,128.75 : x - Step 2: Convert to fraction form
163,899.75/253,128.75 = 253,128.75/x - Step 3: Cross multiply
163,899.75x = 253,128.75 × 253,128.75 - Step 4: Simplify right side
163,899.75x = 64,074,164,076.56 - Step 5: Solve for x
x = 64,074,164,076.56/163,899.75 - Step 6: Final answer
x = 390,935.09
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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.