Finding the Third Proportional to 399,984.75 and 743,226.75
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Solution
The third proportional to 399,984.75 and 743,226.75 is: 1,381,017.66
Step by Step Solution
- Step 1: Write the proportion equation
399,984.75 : 743,226.75 = 743,226.75 : x - Step 2: Convert to fraction form
399,984.75/743,226.75 = 743,226.75/x - Step 3: Cross multiply
399,984.75x = 743,226.75 × 743,226.75 - Step 4: Simplify right side
399,984.75x = 552,386,001,915.56 - Step 5: Solve for x
x = 552,386,001,915.56/399,984.75 - Step 6: Final answer
x = 1,381,017.66
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These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.