Finding the Third Proportional to 7,642,440 and 11,148,624
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Solution
The third proportional to 7,642,440 and 11,148,624 is: 16,263,368.39
Step by Step Solution
- Step 1: Write the proportion equation
7,642,440 : 11,148,624 = 11,148,624 : x - Step 2: Convert to fraction form
7,642,440/11,148,624 = 11,148,624/x - Step 3: Cross multiply
7,642,440x = 11,148,624 × 11,148,624 - Step 4: Simplify right side
7,642,440x = 124,291,817,093,376 - Step 5: Solve for x
x = 124,291,817,093,376/7,642,440 - Step 6: Final answer
x = 16,263,368.39
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.