Finding the Third Proportional to 778,115.50 and 1,178,032
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Solution
The third proportional to 778,115.50 and 1,178,032 is: 1,783,487.66
Step by Step Solution
- Step 1: Write the proportion equation
778,115.50 : 1,178,032 = 1,178,032 : x - Step 2: Convert to fraction form
778,115.50/1,178,032 = 1,178,032/x - Step 3: Cross multiply
778,115.50x = 1,178,032 × 1,178,032 - Step 4: Simplify right side
778,115.50x = 1,387,759,393,024 - Step 5: Solve for x
x = 1,387,759,393,024/778,115.50 - Step 6: Final answer
x = 1,783,487.66
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.