Finding the Third Proportional to 392,341.64 and 591,398.09
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Solution
The third proportional to 392,341.64 and 591,398.09 is: 891,446.79
Step by Step Solution
- Step 1: Write the proportion equation
392,341.64 : 591,398.09 = 591,398.09 : x - Step 2: Convert to fraction form
392,341.64/591,398.09 = 591,398.09/x - Step 3: Cross multiply
392,341.64x = 591,398.09 × 591,398.09 - Step 4: Simplify right side
392,341.64x = 349,751,696,050.54 - Step 5: Solve for x
x = 349,751,696,050.54/392,341.64 - Step 6: Final answer
x = 891,446.79
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.