Finding the Third Proportional to 855,655.88 and 1,315,319.63
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Solution
The third proportional to 855,655.88 and 1,315,319.63 is: 2,021,917.65
Step by Step Solution
- Step 1: Write the proportion equation
855,655.88 : 1,315,319.63 = 1,315,319.63 : x - Step 2: Convert to fraction form
855,655.88/1,315,319.63 = 1,315,319.63/x - Step 3: Cross multiply
855,655.88x = 1,315,319.63 × 1,315,319.63 - Step 4: Simplify right side
855,655.88x = 1,730,065,715,910.14 - Step 5: Solve for x
x = 1,730,065,715,910.14/855,655.88 - Step 6: Final answer
x = 2,021,917.65
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.