Finding the Third Proportional to 430,872.75 and 681,949.13
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Solution
The third proportional to 430,872.75 and 681,949.13 is: 1,079,331.68
Step by Step Solution
- Step 1: Write the proportion equation
430,872.75 : 681,949.13 = 681,949.13 : x - Step 2: Convert to fraction form
430,872.75/681,949.13 = 681,949.13/x - Step 3: Cross multiply
430,872.75x = 681,949.13 × 681,949.13 - Step 4: Simplify right side
430,872.75x = 465,054,609,088.27 - Step 5: Solve for x
x = 465,054,609,088.27/430,872.75 - Step 6: Final answer
x = 1,079,331.68
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.