Finding the Third Proportional to 81,461.25 and 174,312.75
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Solution
The third proportional to 81,461.25 and 174,312.75 is: 372,998.63
Step by Step Solution
- Step 1: Write the proportion equation
81,461.25 : 174,312.75 = 174,312.75 : x - Step 2: Convert to fraction form
81,461.25/174,312.75 = 174,312.75/x - Step 3: Cross multiply
81,461.25x = 174,312.75 × 174,312.75 - Step 4: Simplify right side
81,461.25x = 30,384,934,812.56 - Step 5: Solve for x
x = 30,384,934,812.56/81,461.25 - Step 6: Final answer
x = 372,998.63
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.