Finding the Third Proportional to 318,930.75 and 513,877.50
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Solution
The third proportional to 318,930.75 and 513,877.50 is: 827,985.65
Step by Step Solution
- Step 1: Write the proportion equation
318,930.75 : 513,877.50 = 513,877.50 : x - Step 2: Convert to fraction form
318,930.75/513,877.50 = 513,877.50/x - Step 3: Cross multiply
318,930.75x = 513,877.50 × 513,877.50 - Step 4: Simplify right side
318,930.75x = 264,070,085,006.25 - Step 5: Solve for x
x = 264,070,085,006.25/318,930.75 - Step 6: Final answer
x = 827,985.65
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.