Finding the Third Proportional to 8,791,720 and 18,528,076
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Solution
The third proportional to 8,791,720 and 18,528,076 is: 39,046,921.45
Step by Step Solution
- Step 1: Write the proportion equation
8,791,720 : 18,528,076 = 18,528,076 : x - Step 2: Convert to fraction form
8,791,720/18,528,076 = 18,528,076/x - Step 3: Cross multiply
8,791,720x = 18,528,076 × 18,528,076 - Step 4: Simplify right side
8,791,720x = 343,289,600,261,776 - Step 5: Solve for x
x = 343,289,600,261,776/8,791,720 - Step 6: Final answer
x = 39,046,921.45
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.