Finding the Third Proportional to 100,957,122 and 219,602,970
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Solution
The third proportional to 100,957,122 and 219,602,970 is: 477,682,638.70
Step by Step Solution
- Step 1: Write the proportion equation
100,957,122 : 219,602,970 = 219,602,970 : x - Step 2: Convert to fraction form
100,957,122/219,602,970 = 219,602,970/x - Step 3: Cross multiply
100,957,122x = 219,602,970 × 219,602,970 - Step 4: Simplify right side
100,957,122x = 48,225,464,432,820,896 - Step 5: Solve for x
x = 48,225,464,432,820,896/100,957,122 - Step 6: Final answer
x = 477,682,638.70
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.