Finding the Third Proportional to 258,408,503 and 397,192,554
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Solution
The third proportional to 258,408,503 and 397,192,554 is: 610,513,675.52
Step by Step Solution
- Step 1: Write the proportion equation
258,408,503 : 397,192,554 = 397,192,554 : x - Step 2: Convert to fraction form
258,408,503/397,192,554 = 397,192,554/x - Step 3: Cross multiply
258,408,503x = 397,192,554 × 397,192,554 - Step 4: Simplify right side
258,408,503x = 157,761,924,953,042,912 - Step 5: Solve for x
x = 157,761,924,953,042,912/258,408,503 - Step 6: Final answer
x = 610,513,675.52
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.