Finding the Third Proportional to 7,904,785 and 11,791,379
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Solution
The third proportional to 7,904,785 and 11,791,379 is: 17,588,918.45
Step by Step Solution
- Step 1: Write the proportion equation
7,904,785 : 11,791,379 = 11,791,379 : x - Step 2: Convert to fraction form
7,904,785/11,791,379 = 11,791,379/x - Step 3: Cross multiply
7,904,785x = 11,791,379 × 11,791,379 - Step 4: Simplify right side
7,904,785x = 139,036,618,721,641 - Step 5: Solve for x
x = 139,036,618,721,641/7,904,785 - Step 6: Final answer
x = 17,588,918.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.