Finding the Third Proportional to 321,782.63 and 472,695.75
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Solution
The third proportional to 321,782.63 and 472,695.75 is: 694,385.76
Step by Step Solution
- Step 1: Write the proportion equation
321,782.63 : 472,695.75 = 472,695.75 : x - Step 2: Convert to fraction form
321,782.63/472,695.75 = 472,695.75/x - Step 3: Cross multiply
321,782.63x = 472,695.75 × 472,695.75 - Step 4: Simplify right side
321,782.63x = 223,441,272,068.06 - Step 5: Solve for x
x = 223,441,272,068.06/321,782.63 - Step 6: Final answer
x = 694,385.76
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.