Finding the Third Proportional to 138,230,431 and 298,598,495
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Solution
The third proportional to 138,230,431 and 298,598,495 is: 645,017,602.65
Step by Step Solution
- Step 1: Write the proportion equation
138,230,431 : 298,598,495 = 298,598,495 : x - Step 2: Convert to fraction form
138,230,431/298,598,495 = 298,598,495/x - Step 3: Cross multiply
138,230,431x = 298,598,495 × 298,598,495 - Step 4: Simplify right side
138,230,431x = 89,161,061,216,265,024 - Step 5: Solve for x
x = 89,161,061,216,265,024/138,230,431 - Step 6: Final answer
x = 645,017,602.65
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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.