Finding the Third Proportional to 309,449.75 and 473,369.75
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Solution
The third proportional to 309,449.75 and 473,369.75 is: 724,120.54
Step by Step Solution
- Step 1: Write the proportion equation
309,449.75 : 473,369.75 = 473,369.75 : x - Step 2: Convert to fraction form
309,449.75/473,369.75 = 473,369.75/x - Step 3: Cross multiply
309,449.75x = 473,369.75 × 473,369.75 - Step 4: Simplify right side
309,449.75x = 224,078,920,215.06 - Step 5: Solve for x
x = 224,078,920,215.06/309,449.75 - Step 6: Final answer
x = 724,120.54
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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.