Finding the Third Proportional to 86,143,544 and 189,024,748
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Solution
The third proportional to 86,143,544 and 189,024,748 is: 414,776,937.39
Step by Step Solution
- Step 1: Write the proportion equation
86,143,544 : 189,024,748 = 189,024,748 : x - Step 2: Convert to fraction form
86,143,544/189,024,748 = 189,024,748/x - Step 3: Cross multiply
86,143,544x = 189,024,748 × 189,024,748 - Step 4: Simplify right side
86,143,544x = 35,730,355,356,463,504 - Step 5: Solve for x
x = 35,730,355,356,463,504/86,143,544 - Step 6: Final answer
x = 414,776,937.39
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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.