Finding the Third Proportional to 312,118.31 and 472,705.88
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Solution
The third proportional to 312,118.31 and 472,705.88 is: 715,917.12
Step by Step Solution
- Step 1: Write the proportion equation
312,118.31 : 472,705.88 = 472,705.88 : x - Step 2: Convert to fraction form
312,118.31/472,705.88 = 472,705.88/x - Step 3: Cross multiply
312,118.31x = 472,705.88 × 472,705.88 - Step 4: Simplify right side
312,118.31x = 223,450,844,259.52 - Step 5: Solve for x
x = 223,450,844,259.52/312,118.31 - Step 6: Final answer
x = 715,917.12
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.