Finding the Third Proportional to 777,579.75 and 1,217,128.50
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Solution
The third proportional to 777,579.75 and 1,217,128.50 is: 1,905,144.50
Step by Step Solution
- Step 1: Write the proportion equation
777,579.75 : 1,217,128.50 = 1,217,128.50 : x - Step 2: Convert to fraction form
777,579.75/1,217,128.50 = 1,217,128.50/x - Step 3: Cross multiply
777,579.75x = 1,217,128.50 × 1,217,128.50 - Step 4: Simplify right side
777,579.75x = 1,481,401,785,512.25 - Step 5: Solve for x
x = 1,481,401,785,512.25/777,579.75 - Step 6: Final answer
x = 1,905,144.50
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.