Finding the Third Proportional to 136,128,064 and 298,705,744
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Solution
The third proportional to 136,128,064 and 298,705,744 is: 655,449,867.40
Step by Step Solution
- Step 1: Write the proportion equation
136,128,064 : 298,705,744 = 298,705,744 : x - Step 2: Convert to fraction form
136,128,064/298,705,744 = 298,705,744/x - Step 3: Cross multiply
136,128,064x = 298,705,744 × 298,705,744 - Step 4: Simplify right side
136,128,064x = 89,225,121,498,593,536 - Step 5: Solve for x
x = 89,225,121,498,593,536/136,128,064 - Step 6: Final answer
x = 655,449,867.40
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.