Finding the Third Proportional to 10,115,940 and 22,120,296
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Solution
The third proportional to 10,115,940 and 22,120,296 is: 48,369,948.33
Step by Step Solution
- Step 1: Write the proportion equation
10,115,940 : 22,120,296 = 22,120,296 : x - Step 2: Convert to fraction form
10,115,940/22,120,296 = 22,120,296/x - Step 3: Cross multiply
10,115,940x = 22,120,296 × 22,120,296 - Step 4: Simplify right side
10,115,940x = 489,307,495,127,616 - Step 5: Solve for x
x = 489,307,495,127,616/10,115,940 - Step 6: Final answer
x = 48,369,948.33
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.