Finding the Third Proportional to 117,378,590 and 257,431,996
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Solution
The third proportional to 117,378,590 and 257,431,996 is: 564,593,871.54
Step by Step Solution
- Step 1: Write the proportion equation
117,378,590 : 257,431,996 = 257,431,996 : x - Step 2: Convert to fraction form
117,378,590/257,431,996 = 257,431,996/x - Step 3: Cross multiply
117,378,590x = 257,431,996 × 257,431,996 - Step 4: Simplify right side
117,378,590x = 66,271,232,564,544,016 - Step 5: Solve for x
x = 66,271,232,564,544,016/117,378,590 - Step 6: Final answer
x = 564,593,871.54
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.