Finding the Third Proportional to 2,490.19 and 3,660.75
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Solution
The third proportional to 2,490.19 and 3,660.75 is: 5,381.56
Step by Step Solution
- Step 1: Write the proportion equation
2,490.19 : 3,660.75 = 3,660.75 : x - Step 2: Convert to fraction form
2,490.19/3,660.75 = 3,660.75/x - Step 3: Cross multiply
2,490.19x = 3,660.75 × 3,660.75 - Step 4: Simplify right side
2,490.19x = 13,401,090.56 - Step 5: Solve for x
x = 13,401,090.56/2,490.19 - Step 6: Final answer
x = 5,381.56
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.