Finding the Third Proportional to 8,391,525.75 and 12,957,985.13
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Solution
The third proportional to 8,391,525.75 and 12,957,985.13 is: 20,009,397.99
Step by Step Solution
- Step 1: Write the proportion equation
8,391,525.75 : 12,957,985.13 = 12,957,985.13 : x - Step 2: Convert to fraction form
8,391,525.75/12,957,985.13 = 12,957,985.13/x - Step 3: Cross multiply
8,391,525.75x = 12,957,985.13 × 12,957,985.13 - Step 4: Simplify right side
8,391,525.75x = 167,909,378,499,721.25 - Step 5: Solve for x
x = 167,909,378,499,721.25/8,391,525.75 - Step 6: Final answer
x = 20,009,397.99
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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.