Finding the Third Proportional to 142,038 and 310,803.75
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Solution
The third proportional to 142,038 and 310,803.75 is: 680,092.45
Step by Step Solution
- Step 1: Write the proportion equation
142,038 : 310,803.75 = 310,803.75 : x - Step 2: Convert to fraction form
142,038/310,803.75 = 310,803.75/x - Step 3: Cross multiply
142,038x = 310,803.75 × 310,803.75 - Step 4: Simplify right side
142,038x = 96,598,971,014.06 - Step 5: Solve for x
x = 96,598,971,014.06/142,038 - Step 6: Final answer
x = 680,092.45
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.