Finding the Third Proportional to 758,413 and 1,638,457
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Solution
The third proportional to 758,413 and 1,638,457 is: 3,539,682.65
Step by Step Solution
- Step 1: Write the proportion equation
758,413 : 1,638,457 = 1,638,457 : x - Step 2: Convert to fraction form
758,413/1,638,457 = 1,638,457/x - Step 3: Cross multiply
758,413x = 1,638,457 × 1,638,457 - Step 4: Simplify right side
758,413x = 2,684,541,340,849 - Step 5: Solve for x
x = 2,684,541,340,849/758,413 - Step 6: Final answer
x = 3,539,682.65
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.