Finding the Third Proportional to 77,289.75 and 122,947.31
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Solution
The third proportional to 77,289.75 and 122,947.31 is: 195,576.28
Step by Step Solution
- Step 1: Write the proportion equation
77,289.75 : 122,947.31 = 122,947.31 : x - Step 2: Convert to fraction form
77,289.75/122,947.31 = 122,947.31/x - Step 3: Cross multiply
77,289.75x = 122,947.31 × 122,947.31 - Step 4: Simplify right side
77,289.75x = 15,116,041,650.97 - Step 5: Solve for x
x = 15,116,041,650.97/77,289.75 - Step 6: Final answer
x = 195,576.28
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.