Finding the Third Proportional to 309,629.25 and 473,676.75
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Solution
The third proportional to 309,629.25 and 473,676.75 is: 724,639.75
Step by Step Solution
- Step 1: Write the proportion equation
309,629.25 : 473,676.75 = 473,676.75 : x - Step 2: Convert to fraction form
309,629.25/473,676.75 = 473,676.75/x - Step 3: Cross multiply
309,629.25x = 473,676.75 × 473,676.75 - Step 4: Simplify right side
309,629.25x = 224,369,663,490.56 - Step 5: Solve for x
x = 224,369,663,490.56/309,629.25 - Step 6: Final answer
x = 724,639.75
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.