Finding the Third Proportional to 778,356 and 1,709,953
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Solution
The third proportional to 778,356 and 1,709,953 is: 3,756,557.75
Step by Step Solution
- Step 1: Write the proportion equation
778,356 : 1,709,953 = 1,709,953 : x - Step 2: Convert to fraction form
778,356/1,709,953 = 1,709,953/x - Step 3: Cross multiply
778,356x = 1,709,953 × 1,709,953 - Step 4: Simplify right side
778,356x = 2,923,939,262,209 - Step 5: Solve for x
x = 2,923,939,262,209/778,356 - Step 6: Final answer
x = 3,756,557.75
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.