Finding the Third Proportional to 5,178,919.13 and 7,840,354.88
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Solution
The third proportional to 5,178,919.13 and 7,840,354.88 is: 11,869,496.91
Step by Step Solution
- Step 1: Write the proportion equation
5,178,919.13 : 7,840,354.88 = 7,840,354.88 : x - Step 2: Convert to fraction form
5,178,919.13/7,840,354.88 = 7,840,354.88/x - Step 3: Cross multiply
5,178,919.13x = 7,840,354.88 × 7,840,354.88 - Step 4: Simplify right side
5,178,919.13x = 61,471,164,565,936.27 - Step 5: Solve for x
x = 61,471,164,565,936.27/5,178,919.13 - Step 6: Final answer
x = 11,869,496.91
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.