Finding the Third Proportional to 353,128,306.75 and 551,149,390.50
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Solution
The third proportional to 353,128,306.75 and 551,149,390.50 is: 860,213,256.32
Step by Step Solution
- Step 1: Write the proportion equation
353,128,306.75 : 551,149,390.50 = 551,149,390.50 : x - Step 2: Convert to fraction form
353,128,306.75/551,149,390.50 = 551,149,390.50/x - Step 3: Cross multiply
353,128,306.75x = 551,149,390.50 × 551,149,390.50 - Step 4: Simplify right side
353,128,306.75x = 303,765,650,648,521,472 - Step 5: Solve for x
x = 303,765,650,648,521,472/353,128,306.75 - Step 6: Final answer
x = 860,213,256.32
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.