Finding the Third Proportional to 312,649.88 and 640,041.75
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Solution
The third proportional to 312,649.88 and 640,041.75 is: 1,310,262.61
Step by Step Solution
- Step 1: Write the proportion equation
312,649.88 : 640,041.75 = 640,041.75 : x - Step 2: Convert to fraction form
312,649.88/640,041.75 = 640,041.75/x - Step 3: Cross multiply
312,649.88x = 640,041.75 × 640,041.75 - Step 4: Simplify right side
312,649.88x = 409,653,441,743.06 - Step 5: Solve for x
x = 409,653,441,743.06/312,649.88 - Step 6: Final answer
x = 1,310,262.61
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.