Finding the Third Proportional to 68,509,965 and 147,714,771
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Solution
The third proportional to 68,509,965 and 147,714,771 is: 318,488,756.66
Step by Step Solution
- Step 1: Write the proportion equation
68,509,965 : 147,714,771 = 147,714,771 : x - Step 2: Convert to fraction form
68,509,965/147,714,771 = 147,714,771/x - Step 3: Cross multiply
68,509,965x = 147,714,771 × 147,714,771 - Step 4: Simplify right side
68,509,965x = 21,819,653,571,582,440 - Step 5: Solve for x
x = 21,819,653,571,582,440/68,509,965 - Step 6: Final answer
x = 318,488,756.66
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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.