Finding the Third Proportional to 105,698,940 and 161,707,470
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Solution
The third proportional to 105,698,940 and 161,707,470 is: 247,394,210.90
Step by Step Solution
- Step 1: Write the proportion equation
105,698,940 : 161,707,470 = 161,707,470 : x - Step 2: Convert to fraction form
105,698,940/161,707,470 = 161,707,470/x - Step 3: Cross multiply
105,698,940x = 161,707,470 × 161,707,470 - Step 4: Simplify right side
105,698,940x = 26,149,305,853,800,900 - Step 5: Solve for x
x = 26,149,305,853,800,900/105,698,940 - Step 6: Final answer
x = 247,394,210.90
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.