Finding the Third Proportional to 45,615.75 and 72,639.75
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Solution
The third proportional to 45,615.75 and 72,639.75 is: 115,673.50
Step by Step Solution
- Step 1: Write the proportion equation
45,615.75 : 72,639.75 = 72,639.75 : x - Step 2: Convert to fraction form
45,615.75/72,639.75 = 72,639.75/x - Step 3: Cross multiply
45,615.75x = 72,639.75 × 72,639.75 - Step 4: Simplify right side
45,615.75x = 5,276,533,280.06 - Step 5: Solve for x
x = 5,276,533,280.06/45,615.75 - Step 6: Final answer
x = 115,673.50
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.