Finding the Third Proportional to 187,935.75 and 391,423.50
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Solution
The third proportional to 187,935.75 and 391,423.50 is: 815,237.95
Step by Step Solution
- Step 1: Write the proportion equation
187,935.75 : 391,423.50 = 391,423.50 : x - Step 2: Convert to fraction form
187,935.75/391,423.50 = 391,423.50/x - Step 3: Cross multiply
187,935.75x = 391,423.50 × 391,423.50 - Step 4: Simplify right side
187,935.75x = 153,212,356,352.25 - Step 5: Solve for x
x = 153,212,356,352.25/187,935.75 - Step 6: Final answer
x = 815,237.95
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.