Finding the Third Proportional to 219,529,890 and 433,507,713
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Solution
The third proportional to 219,529,890 and 433,507,713 is: 856,051,707.72
Step by Step Solution
- Step 1: Write the proportion equation
219,529,890 : 433,507,713 = 433,507,713 : x - Step 2: Convert to fraction form
219,529,890/433,507,713 = 433,507,713/x - Step 3: Cross multiply
219,529,890x = 433,507,713 × 433,507,713 - Step 4: Simplify right side
219,529,890x = 187,928,937,230,490,368 - Step 5: Solve for x
x = 187,928,937,230,490,368/219,529,890 - Step 6: Final answer
x = 856,051,707.72
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Why These Related Problems?
These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.