Finding the Third Proportional to 39,719,829 and 85,709,916
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Solution
The third proportional to 39,719,829 and 85,709,916 is: 184,950,184.47
Step by Step Solution
- Step 1: Write the proportion equation
39,719,829 : 85,709,916 = 85,709,916 : x - Step 2: Convert to fraction form
39,719,829/85,709,916 = 85,709,916/x - Step 3: Cross multiply
39,719,829x = 85,709,916 × 85,709,916 - Step 4: Simplify right side
39,719,829x = 7,346,189,700,727,056 - Step 5: Solve for x
x = 7,346,189,700,727,056/39,719,829 - Step 6: Final answer
x = 184,950,184.47
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.