Finding the Third Proportional to 8,420,391 and 18,256,852
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Solution
The third proportional to 8,420,391 and 18,256,852 is: 39,583,986.65
Step by Step Solution
- Step 1: Write the proportion equation
8,420,391 : 18,256,852 = 18,256,852 : x - Step 2: Convert to fraction form
8,420,391/18,256,852 = 18,256,852/x - Step 3: Cross multiply
8,420,391x = 18,256,852 × 18,256,852 - Step 4: Simplify right side
8,420,391x = 333,312,644,949,904 - Step 5: Solve for x
x = 333,312,644,949,904/8,420,391 - Step 6: Final answer
x = 39,583,986.65
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.