Finding the Third Proportional to 76,621,173.75 and 170,248,459.50
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Solution
The third proportional to 76,621,173.75 and 170,248,459.50 is: 378,283,658.99
Step by Step Solution
- Step 1: Write the proportion equation
76,621,173.75 : 170,248,459.50 = 170,248,459.50 : x - Step 2: Convert to fraction form
76,621,173.75/170,248,459.50 = 170,248,459.50/x - Step 3: Cross multiply
76,621,173.75x = 170,248,459.50 × 170,248,459.50 - Step 4: Simplify right side
76,621,173.75x = 28,984,537,962,123,140 - Step 5: Solve for x
x = 28,984,537,962,123,140/76,621,173.75 - Step 6: Final answer
x = 378,283,658.99
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.