Finding the Third Proportional to 668,403.50 and 1,391,887
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Solution
The third proportional to 668,403.50 and 1,391,887 is: 2,898,472.88
Step by Step Solution
- Step 1: Write the proportion equation
668,403.50 : 1,391,887 = 1,391,887 : x - Step 2: Convert to fraction form
668,403.50/1,391,887 = 1,391,887/x - Step 3: Cross multiply
668,403.50x = 1,391,887 × 1,391,887 - Step 4: Simplify right side
668,403.50x = 1,937,349,420,769 - Step 5: Solve for x
x = 1,937,349,420,769/668,403.50 - Step 6: Final answer
x = 2,898,472.88
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.