Finding the Third Proportional to 86,858,140 and 190,930,724
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Solution
The third proportional to 86,858,140 and 190,930,724 is: 419,702,072.45
Step by Step Solution
- Step 1: Write the proportion equation
86,858,140 : 190,930,724 = 190,930,724 : x - Step 2: Convert to fraction form
86,858,140/190,930,724 = 190,930,724/x - Step 3: Cross multiply
86,858,140x = 190,930,724 × 190,930,724 - Step 4: Simplify right side
86,858,140x = 36,454,541,367,164,176 - Step 5: Solve for x
x = 36,454,541,367,164,176/86,858,140 - Step 6: Final answer
x = 419,702,072.45
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.