Finding the Third Proportional to 305,668,721 and 671,386,893
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Solution
The third proportional to 305,668,721 and 671,386,893 is: 1,474,669,565.85
Step by Step Solution
- Step 1: Write the proportion equation
305,668,721 : 671,386,893 = 671,386,893 : x - Step 2: Convert to fraction form
305,668,721/671,386,893 = 671,386,893/x - Step 3: Cross multiply
305,668,721x = 671,386,893 × 671,386,893 - Step 4: Simplify right side
305,668,721x = 450,760,360,092,193,472 - Step 5: Solve for x
x = 450,760,360,092,193,472/305,668,721 - Step 6: Final answer
x = 1,474,669,565.85
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.