Finding the Third Proportional to 638,616.75 and 1,064,318.75
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Solution
The third proportional to 638,616.75 and 1,064,318.75 is: 1,773,793.75
Step by Step Solution
- Step 1: Write the proportion equation
638,616.75 : 1,064,318.75 = 1,064,318.75 : x - Step 2: Convert to fraction form
638,616.75/1,064,318.75 = 1,064,318.75/x - Step 3: Cross multiply
638,616.75x = 1,064,318.75 × 1,064,318.75 - Step 4: Simplify right side
638,616.75x = 1,132,774,401,601.56 - Step 5: Solve for x
x = 1,132,774,401,601.56/638,616.75 - Step 6: Final answer
x = 1,773,793.75
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.