Finding the Third Proportional to 478,740.38 and 728,058.38
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Solution
The third proportional to 478,740.38 and 728,058.38 is: 1,107,215.99
Step by Step Solution
- Step 1: Write the proportion equation
478,740.38 : 728,058.38 = 728,058.38 : x - Step 2: Convert to fraction form
478,740.38/728,058.38 = 728,058.38/x - Step 3: Cross multiply
478,740.38x = 728,058.38 × 728,058.38 - Step 4: Simplify right side
478,740.38x = 530,068,997,407.64 - Step 5: Solve for x
x = 530,068,997,407.64/478,740.38 - Step 6: Final answer
x = 1,107,215.99
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.