Finding the Third Proportional to 317,854.13 and 480,021.19
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Solution
The third proportional to 317,854.13 and 480,021.19 is: 724,924.81
Step by Step Solution
- Step 1: Write the proportion equation
317,854.13 : 480,021.19 = 480,021.19 : x - Step 2: Convert to fraction form
317,854.13/480,021.19 = 480,021.19/x - Step 3: Cross multiply
317,854.13x = 480,021.19 × 480,021.19 - Step 4: Simplify right side
317,854.13x = 230,420,340,448.91 - Step 5: Solve for x
x = 230,420,340,448.91/317,854.13 - Step 6: Final answer
x = 724,924.81
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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.