Finding the Third Proportional to 76,281.75 and 163,113.75
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Solution
The third proportional to 76,281.75 and 163,113.75 is: 348,787.17
Step by Step Solution
- Step 1: Write the proportion equation
76,281.75 : 163,113.75 = 163,113.75 : x - Step 2: Convert to fraction form
76,281.75/163,113.75 = 163,113.75/x - Step 3: Cross multiply
76,281.75x = 163,113.75 × 163,113.75 - Step 4: Simplify right side
76,281.75x = 26,606,095,439.06 - Step 5: Solve for x
x = 26,606,095,439.06/76,281.75 - Step 6: Final answer
x = 348,787.17
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.