Finding the Third Proportional to 256,618.13 and 402,549.75
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Solution
The third proportional to 256,618.13 and 402,549.75 is: 631,468.65
Step by Step Solution
- Step 1: Write the proportion equation
256,618.13 : 402,549.75 = 402,549.75 : x - Step 2: Convert to fraction form
256,618.13/402,549.75 = 402,549.75/x - Step 3: Cross multiply
256,618.13x = 402,549.75 × 402,549.75 - Step 4: Simplify right side
256,618.13x = 162,046,301,225.06 - Step 5: Solve for x
x = 162,046,301,225.06/256,618.13 - Step 6: Final answer
x = 631,468.65
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.