Finding the Third Proportional to 72,623,737 and 156,724,211
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Solution
The third proportional to 72,623,737 and 156,724,211 is: 338,215,565.99
Step by Step Solution
- Step 1: Write the proportion equation
72,623,737 : 156,724,211 = 156,724,211 : x - Step 2: Convert to fraction form
72,623,737/156,724,211 = 156,724,211/x - Step 3: Cross multiply
72,623,737x = 156,724,211 × 156,724,211 - Step 4: Simplify right side
72,623,737x = 24,562,478,313,572,520 - Step 5: Solve for x
x = 24,562,478,313,572,520/72,623,737 - Step 6: Final answer
x = 338,215,565.99
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.