Finding the Third Proportional to 68,440,467 and 142,542,348
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Solution
The third proportional to 68,440,467 and 142,542,348 is: 296,875,837.70
Step by Step Solution
- Step 1: Write the proportion equation
68,440,467 : 142,542,348 = 142,542,348 : x - Step 2: Convert to fraction form
68,440,467/142,542,348 = 142,542,348/x - Step 3: Cross multiply
68,440,467x = 142,542,348 × 142,542,348 - Step 4: Simplify right side
68,440,467x = 20,318,320,973,353,104 - Step 5: Solve for x
x = 20,318,320,973,353,104/68,440,467 - Step 6: Final answer
x = 296,875,837.70
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.