Finding the Third Proportional to 721,383 and 1,125,744
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Solution
The third proportional to 721,383 and 1,125,744 is: 1,756,763.82
Step by Step Solution
- Step 1: Write the proportion equation
721,383 : 1,125,744 = 1,125,744 : x - Step 2: Convert to fraction form
721,383/1,125,744 = 1,125,744/x - Step 3: Cross multiply
721,383x = 1,125,744 × 1,125,744 - Step 4: Simplify right side
721,383x = 1,267,299,553,536 - Step 5: Solve for x
x = 1,267,299,553,536/721,383 - Step 6: Final answer
x = 1,756,763.82
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.