Finding the Third Proportional to 245,612.63 and 390,561.75
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Solution
The third proportional to 245,612.63 and 390,561.75 is: 621,053.09
Step by Step Solution
- Step 1: Write the proportion equation
245,612.63 : 390,561.75 = 390,561.75 : x - Step 2: Convert to fraction form
245,612.63/390,561.75 = 390,561.75/x - Step 3: Cross multiply
245,612.63x = 390,561.75 × 390,561.75 - Step 4: Simplify right side
245,612.63x = 152,538,480,563.06 - Step 5: Solve for x
x = 152,538,480,563.06/245,612.63 - Step 6: Final answer
x = 621,053.09
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.