Finding the Third Proportional to 1,373.88 and 2,130.88
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Solution
The third proportional to 1,373.88 and 2,130.88 is: 3,304.98
Step by Step Solution
- Step 1: Write the proportion equation
1,373.88 : 2,130.88 = 2,130.88 : x - Step 2: Convert to fraction form
1,373.88/2,130.88 = 2,130.88/x - Step 3: Cross multiply
1,373.88x = 2,130.88 × 2,130.88 - Step 4: Simplify right side
1,373.88x = 4,540,628.27 - Step 5: Solve for x
x = 4,540,628.27/1,373.88 - Step 6: Final answer
x = 3,304.98
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.