Finding the Third Proportional to 7,215,442 and 11,416,827
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Solution
The third proportional to 7,215,442 and 11,416,827 is: 18,064,581.32
Step by Step Solution
- Step 1: Write the proportion equation
7,215,442 : 11,416,827 = 11,416,827 : x - Step 2: Convert to fraction form
7,215,442/11,416,827 = 11,416,827/x - Step 3: Cross multiply
7,215,442x = 11,416,827 × 11,416,827 - Step 4: Simplify right side
7,215,442x = 130,343,938,747,929 - Step 5: Solve for x
x = 130,343,938,747,929/7,215,442 - Step 6: Final answer
x = 18,064,581.32
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.