Finding the Third Proportional to 74,145.06 and 153,549.74
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Solution
The third proportional to 74,145.06 and 153,549.74 is: 317,991.82
Step by Step Solution
- Step 1: Write the proportion equation
74,145.06 : 153,549.74 = 153,549.74 : x - Step 2: Convert to fraction form
74,145.06/153,549.74 = 153,549.74/x - Step 3: Cross multiply
74,145.06x = 153,549.74 × 153,549.74 - Step 4: Simplify right side
74,145.06x = 23,577,522,126.24 - Step 5: Solve for x
x = 23,577,522,126.24/74,145.06 - Step 6: Final answer
x = 317,991.82
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.