Finding the Third Proportional to 278,488.13 and 418,344.75
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Solution
The third proportional to 278,488.13 and 418,344.75 is: 628,437.32
Step by Step Solution
- Step 1: Write the proportion equation
278,488.13 : 418,344.75 = 418,344.75 : x - Step 2: Convert to fraction form
278,488.13/418,344.75 = 418,344.75/x - Step 3: Cross multiply
278,488.13x = 418,344.75 × 418,344.75 - Step 4: Simplify right side
278,488.13x = 175,012,329,852.56 - Step 5: Solve for x
x = 175,012,329,852.56/278,488.13 - Step 6: Final answer
x = 628,437.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.