Finding the Third Proportional to 257,207.06 and 390,939.75
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Solution
The third proportional to 257,207.06 and 390,939.75 is: 594,205.64
Step by Step Solution
- Step 1: Write the proportion equation
257,207.06 : 390,939.75 = 390,939.75 : x - Step 2: Convert to fraction form
257,207.06/390,939.75 = 390,939.75/x - Step 3: Cross multiply
257,207.06x = 390,939.75 × 390,939.75 - Step 4: Simplify right side
257,207.06x = 152,833,888,130.06 - Step 5: Solve for x
x = 152,833,888,130.06/257,207.06 - Step 6: Final answer
x = 594,205.64
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.