Finding the Third Proportional to 129,130.50 and 197,395.50
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Solution
The third proportional to 129,130.50 and 197,395.50 is: 301,748.88
Step by Step Solution
- Step 1: Write the proportion equation
129,130.50 : 197,395.50 = 197,395.50 : x - Step 2: Convert to fraction form
129,130.50/197,395.50 = 197,395.50/x - Step 3: Cross multiply
129,130.50x = 197,395.50 × 197,395.50 - Step 4: Simplify right side
129,130.50x = 38,964,983,420.25 - Step 5: Solve for x
x = 38,964,983,420.25/129,130.50 - Step 6: Final answer
x = 301,748.88
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.