Finding the Third Proportional to 138,708 and 206,781.75
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Solution
The third proportional to 138,708 and 206,781.75 is: 308,264.07
Step by Step Solution
- Step 1: Write the proportion equation
138,708 : 206,781.75 = 206,781.75 : x - Step 2: Convert to fraction form
138,708/206,781.75 = 206,781.75/x - Step 3: Cross multiply
138,708x = 206,781.75 × 206,781.75 - Step 4: Simplify right side
138,708x = 42,758,692,133.06 - Step 5: Solve for x
x = 42,758,692,133.06/138,708 - Step 6: Final answer
x = 308,264.07
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.