Finding the Third Proportional to 15,652,221 and 20,582,595
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Solution
The third proportional to 15,652,221 and 20,582,595 is: 27,066,012.99
Step by Step Solution
- Step 1: Write the proportion equation
15,652,221 : 20,582,595 = 20,582,595 : x - Step 2: Convert to fraction form
15,652,221/20,582,595 = 20,582,595/x - Step 3: Cross multiply
15,652,221x = 20,582,595 × 20,582,595 - Step 4: Simplify right side
15,652,221x = 423,643,216,934,025 - Step 5: Solve for x
x = 423,643,216,934,025/15,652,221 - Step 6: Final answer
x = 27,066,012.99
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Why These Related Problems?
These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.