Finding the Third Proportional to 320,071.50 and 689,765.63
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Solution
The third proportional to 320,071.50 and 689,765.63 is: 1,486,469.80
Step by Step Solution
- Step 1: Write the proportion equation
320,071.50 : 689,765.63 = 689,765.63 : x - Step 2: Convert to fraction form
320,071.50/689,765.63 = 689,765.63/x - Step 3: Cross multiply
320,071.50x = 689,765.63 × 689,765.63 - Step 4: Simplify right side
320,071.50x = 475,776,617,431.64 - Step 5: Solve for x
x = 475,776,617,431.64/320,071.50 - Step 6: Final answer
x = 1,486,469.80
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.