Finding the Third Proportional to 77,677.31 and 170,177.63
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Solution
The third proportional to 77,677.31 and 170,177.63 is: 372,829.89
Step by Step Solution
- Step 1: Write the proportion equation
77,677.31 : 170,177.63 = 170,177.63 : x - Step 2: Convert to fraction form
77,677.31/170,177.63 = 170,177.63/x - Step 3: Cross multiply
77,677.31x = 170,177.63 × 170,177.63 - Step 4: Simplify right side
77,677.31x = 28,960,424,050.64 - Step 5: Solve for x
x = 28,960,424,050.64/77,677.31 - Step 6: Final answer
x = 372,829.89
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.