Finding the Third Proportional to 768,408 and 1,686,284
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Solution
The third proportional to 768,408 and 1,686,284 is: 3,700,577.99
Step by Step Solution
- Step 1: Write the proportion equation
768,408 : 1,686,284 = 1,686,284 : x - Step 2: Convert to fraction form
768,408/1,686,284 = 1,686,284/x - Step 3: Cross multiply
768,408x = 1,686,284 × 1,686,284 - Step 4: Simplify right side
768,408x = 2,843,553,728,656 - Step 5: Solve for x
x = 2,843,553,728,656/768,408 - Step 6: Final answer
x = 3,700,577.99
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.