Finding the Third Proportional to 306,322 and 470,723
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Solution
The third proportional to 306,322 and 470,723 is: 723,356.93
Step by Step Solution
- Step 1: Write the proportion equation
306,322 : 470,723 = 470,723 : x - Step 2: Convert to fraction form
306,322/470,723 = 470,723/x - Step 3: Cross multiply
306,322x = 470,723 × 470,723 - Step 4: Simplify right side
306,322x = 221,580,142,729 - Step 5: Solve for x
x = 221,580,142,729/306,322 - Step 6: Final answer
x = 723,356.93
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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.