Finding the Third Proportional to 5,487,471 and 11,817,774
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Solution
The third proportional to 5,487,471 and 11,817,774 is: 25,450,664.31
Step by Step Solution
- Step 1: Write the proportion equation
5,487,471 : 11,817,774 = 11,817,774 : x - Step 2: Convert to fraction form
5,487,471/11,817,774 = 11,817,774/x - Step 3: Cross multiply
5,487,471x = 11,817,774 × 11,817,774 - Step 4: Simplify right side
5,487,471x = 139,659,782,315,076 - Step 5: Solve for x
x = 139,659,782,315,076/5,487,471 - Step 6: Final answer
x = 25,450,664.31
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.