Finding the Third Proportional to 432,220.50 and 634,317.75
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Solution
The third proportional to 432,220.50 and 634,317.75 is: 930,911.44
Step by Step Solution
- Step 1: Write the proportion equation
432,220.50 : 634,317.75 = 634,317.75 : x - Step 2: Convert to fraction form
432,220.50/634,317.75 = 634,317.75/x - Step 3: Cross multiply
432,220.50x = 634,317.75 × 634,317.75 - Step 4: Simplify right side
432,220.50x = 402,359,007,965.06 - Step 5: Solve for x
x = 402,359,007,965.06/432,220.50 - Step 6: Final answer
x = 930,911.44
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.