Finding the Third Proportional to 145,982.81 and 316,751.63
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Solution
The third proportional to 145,982.81 and 316,751.63 is: 687,283.59
Step by Step Solution
- Step 1: Write the proportion equation
145,982.81 : 316,751.63 = 316,751.63 : x - Step 2: Convert to fraction form
145,982.81/316,751.63 = 316,751.63/x - Step 3: Cross multiply
145,982.81x = 316,751.63 × 316,751.63 - Step 4: Simplify right side
145,982.81x = 100,331,591,940.14 - Step 5: Solve for x
x = 100,331,591,940.14/145,982.81 - Step 6: Final answer
x = 687,283.59
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.