Finding the Third Proportional to 309,263.25 and 478,859.75
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Solution
The third proportional to 309,263.25 and 478,859.75 is: 741,461.07
Step by Step Solution
- Step 1: Write the proportion equation
309,263.25 : 478,859.75 = 478,859.75 : x - Step 2: Convert to fraction form
309,263.25/478,859.75 = 478,859.75/x - Step 3: Cross multiply
309,263.25x = 478,859.75 × 478,859.75 - Step 4: Simplify right side
309,263.25x = 229,306,660,170.06 - Step 5: Solve for x
x = 229,306,660,170.06/309,263.25 - Step 6: Final answer
x = 741,461.07
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.