Finding the Third Proportional to 865,987.50 and 1,247,415
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Solution
The third proportional to 865,987.50 and 1,247,415 is: 1,796,843.70
Step by Step Solution
- Step 1: Write the proportion equation
865,987.50 : 1,247,415 = 1,247,415 : x - Step 2: Convert to fraction form
865,987.50/1,247,415 = 1,247,415/x - Step 3: Cross multiply
865,987.50x = 1,247,415 × 1,247,415 - Step 4: Simplify right side
865,987.50x = 1,556,044,182,225 - Step 5: Solve for x
x = 1,556,044,182,225/865,987.50 - Step 6: Final answer
x = 1,796,843.70
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.