Finding the Third Proportional to 157,840 and 346,784
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Solution
The third proportional to 157,840 and 346,784 is: 761,905.36
Step by Step Solution
- Step 1: Write the proportion equation
157,840 : 346,784 = 346,784 : x - Step 2: Convert to fraction form
157,840/346,784 = 346,784/x - Step 3: Cross multiply
157,840x = 346,784 × 346,784 - Step 4: Simplify right side
157,840x = 120,259,142,656 - Step 5: Solve for x
x = 120,259,142,656/157,840 - Step 6: Final answer
x = 761,905.36
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.