Finding the Third Proportional to 8,638,953.75 and 18,663,372
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Solution
The third proportional to 8,638,953.75 and 18,663,372 is: 40,319,865.63
Step by Step Solution
- Step 1: Write the proportion equation
8,638,953.75 : 18,663,372 = 18,663,372 : x - Step 2: Convert to fraction form
8,638,953.75/18,663,372 = 18,663,372/x - Step 3: Cross multiply
8,638,953.75x = 18,663,372 × 18,663,372 - Step 4: Simplify right side
8,638,953.75x = 348,321,454,410,384 - Step 5: Solve for x
x = 348,321,454,410,384/8,638,953.75 - Step 6: Final answer
x = 40,319,865.63
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.