Finding the Third Proportional to 386,247.75 and 838,989.75
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Solution
The third proportional to 386,247.75 and 838,989.75 is: 1,822,415.28
Step by Step Solution
- Step 1: Write the proportion equation
386,247.75 : 838,989.75 = 838,989.75 : x - Step 2: Convert to fraction form
386,247.75/838,989.75 = 838,989.75/x - Step 3: Cross multiply
386,247.75x = 838,989.75 × 838,989.75 - Step 4: Simplify right side
386,247.75x = 703,903,800,605.06 - Step 5: Solve for x
x = 703,903,800,605.06/386,247.75 - Step 6: Final answer
x = 1,822,415.28
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.