Finding the Third Proportional to 578,704.50 and 920,868.75
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Solution
The third proportional to 578,704.50 and 920,868.75 is: 1,465,340.70
Step by Step Solution
- Step 1: Write the proportion equation
578,704.50 : 920,868.75 = 920,868.75 : x - Step 2: Convert to fraction form
578,704.50/920,868.75 = 920,868.75/x - Step 3: Cross multiply
578,704.50x = 920,868.75 × 920,868.75 - Step 4: Simplify right side
578,704.50x = 847,999,254,726.56 - Step 5: Solve for x
x = 847,999,254,726.56/578,704.50 - Step 6: Final answer
x = 1,465,340.70
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.