Finding the Third Proportional to 74,810.78 and 118,443.99
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Solution
The third proportional to 74,810.78 and 118,443.99 is: 187,526.17
Step by Step Solution
- Step 1: Write the proportion equation
74,810.78 : 118,443.99 = 118,443.99 : x - Step 2: Convert to fraction form
74,810.78/118,443.99 = 118,443.99/x - Step 3: Cross multiply
74,810.78x = 118,443.99 × 118,443.99 - Step 4: Simplify right side
74,810.78x = 14,028,978,822.64 - Step 5: Solve for x
x = 14,028,978,822.64/74,810.78 - Step 6: Final answer
x = 187,526.17
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.