Finding the Third Proportional to 393,718.50 and 607,965.75
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Solution
The third proportional to 393,718.50 and 607,965.75 is: 938,798.54
Step by Step Solution
- Step 1: Write the proportion equation
393,718.50 : 607,965.75 = 607,965.75 : x - Step 2: Convert to fraction form
393,718.50/607,965.75 = 607,965.75/x - Step 3: Cross multiply
393,718.50x = 607,965.75 × 607,965.75 - Step 4: Simplify right side
393,718.50x = 369,622,353,173.06 - Step 5: Solve for x
x = 369,622,353,173.06/393,718.50 - Step 6: Final answer
x = 938,798.54
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.