Finding the Third Proportional to 415,221,612 and 583,981,416
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Solution
The third proportional to 415,221,612 and 583,981,416 is: 821,330,789.10
Step by Step Solution
- Step 1: Write the proportion equation
415,221,612 : 583,981,416 = 583,981,416 : x - Step 2: Convert to fraction form
415,221,612/583,981,416 = 583,981,416/x - Step 3: Cross multiply
415,221,612x = 583,981,416 × 583,981,416 - Step 4: Simplify right side
415,221,612x = 341,034,294,233,365,056 - Step 5: Solve for x
x = 341,034,294,233,365,056/415,221,612 - Step 6: Final answer
x = 821,330,789.10
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.