Finding the Third Proportional to 749,190 and 1,217,211
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Solution
The third proportional to 749,190 and 1,217,211 is: 1,977,605.97
Step by Step Solution
- Step 1: Write the proportion equation
749,190 : 1,217,211 = 1,217,211 : x - Step 2: Convert to fraction form
749,190/1,217,211 = 1,217,211/x - Step 3: Cross multiply
749,190x = 1,217,211 × 1,217,211 - Step 4: Simplify right side
749,190x = 1,481,602,618,521 - Step 5: Solve for x
x = 1,481,602,618,521/749,190 - Step 6: Final answer
x = 1,977,605.97
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Why These Related Problems?
These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.