Finding the Third Proportional to 317,854.50 and 480,021.75
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Solution
The third proportional to 317,854.50 and 480,021.75 is: 724,925.65
Step by Step Solution
- Step 1: Write the proportion equation
317,854.50 : 480,021.75 = 480,021.75 : x - Step 2: Convert to fraction form
317,854.50/480,021.75 = 480,021.75/x - Step 3: Cross multiply
317,854.50x = 480,021.75 × 480,021.75 - Step 4: Simplify right side
317,854.50x = 230,420,880,473.06 - Step 5: Solve for x
x = 230,420,880,473.06/317,854.50 - Step 6: Final answer
x = 724,925.65
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.