Finding the Third Proportional to 2,970.75 and 6,393.75
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Solution
The third proportional to 2,970.75 and 6,393.75 is: 13,760.85
Step by Step Solution
- Step 1: Write the proportion equation
2,970.75 : 6,393.75 = 6,393.75 : x - Step 2: Convert to fraction form
2,970.75/6,393.75 = 6,393.75/x - Step 3: Cross multiply
2,970.75x = 6,393.75 × 6,393.75 - Step 4: Simplify right side
2,970.75x = 40,880,039.06 - Step 5: Solve for x
x = 40,880,039.06/2,970.75 - Step 6: Final answer
x = 13,760.85
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.