Finding the Third Proportional to 4,959.75 and 7,974.75
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Solution
The third proportional to 4,959.75 and 7,974.75 is: 12,822.55
Step by Step Solution
- Step 1: Write the proportion equation
4,959.75 : 7,974.75 = 7,974.75 : x - Step 2: Convert to fraction form
4,959.75/7,974.75 = 7,974.75/x - Step 3: Cross multiply
4,959.75x = 7,974.75 × 7,974.75 - Step 4: Simplify right side
4,959.75x = 63,596,637.56 - Step 5: Solve for x
x = 63,596,637.56/4,959.75 - Step 6: Final answer
x = 12,822.55
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.