Finding the Third Proportional to 917,859.75 and 1,290,266.63
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Solution
The third proportional to 917,859.75 and 1,290,266.63 is: 1,813,771.62
Step by Step Solution
- Step 1: Write the proportion equation
917,859.75 : 1,290,266.63 = 1,290,266.63 : x - Step 2: Convert to fraction form
917,859.75/1,290,266.63 = 1,290,266.63/x - Step 3: Cross multiply
917,859.75x = 1,290,266.63 × 1,290,266.63 - Step 4: Simplify right side
917,859.75x = 1,664,787,963,588.89 - Step 5: Solve for x
x = 1,664,787,963,588.89/917,859.75 - Step 6: Final answer
x = 1,813,771.62
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.