Finding the Third Proportional to 74,449.13 and 138,418.88
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Solution
The third proportional to 74,449.13 and 138,418.88 is: 257,354.07
Step by Step Solution
- Step 1: Write the proportion equation
74,449.13 : 138,418.88 = 138,418.88 : x - Step 2: Convert to fraction form
74,449.13/138,418.88 = 138,418.88/x - Step 3: Cross multiply
74,449.13x = 138,418.88 × 138,418.88 - Step 4: Simplify right side
74,449.13x = 19,159,784,956.27 - Step 5: Solve for x
x = 19,159,784,956.27/74,449.13 - Step 6: Final answer
x = 257,354.07
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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.