Finding the Third Proportional to 728,404 and 1,142,652
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Solution
The third proportional to 728,404 and 1,142,652 is: 1,792,485.48
Step by Step Solution
- Step 1: Write the proportion equation
728,404 : 1,142,652 = 1,142,652 : x - Step 2: Convert to fraction form
728,404/1,142,652 = 1,142,652/x - Step 3: Cross multiply
728,404x = 1,142,652 × 1,142,652 - Step 4: Simplify right side
728,404x = 1,305,653,593,104 - Step 5: Solve for x
x = 1,305,653,593,104/728,404 - Step 6: Final answer
x = 1,792,485.48
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.