Finding the Third Proportional to 155,427.75 and 278,871.75
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Solution
The third proportional to 155,427.75 and 278,871.75 is: 500,357.58
Step by Step Solution
- Step 1: Write the proportion equation
155,427.75 : 278,871.75 = 278,871.75 : x - Step 2: Convert to fraction form
155,427.75/278,871.75 = 278,871.75/x - Step 3: Cross multiply
155,427.75x = 278,871.75 × 278,871.75 - Step 4: Simplify right side
155,427.75x = 77,769,452,948.06 - Step 5: Solve for x
x = 77,769,452,948.06/155,427.75 - Step 6: Final answer
x = 500,357.58
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Why These Related Problems?
These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.