Finding the Third Proportional to 297,252,721 and 621,608,930
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Solution
The third proportional to 297,252,721 and 621,608,930 is: 1,299,896,130.66
Step by Step Solution
- Step 1: Write the proportion equation
297,252,721 : 621,608,930 = 621,608,930 : x - Step 2: Convert to fraction form
297,252,721/621,608,930 = 621,608,930/x - Step 3: Cross multiply
297,252,721x = 621,608,930 × 621,608,930 - Step 4: Simplify right side
297,252,721x = 386,397,661,855,744,896 - Step 5: Solve for x
x = 386,397,661,855,744,896/297,252,721 - Step 6: Final answer
x = 1,299,896,130.66
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.