Finding the Third Proportional to 84,865,757.91 and 129,765,164.06
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Solution
The third proportional to 84,865,757.91 and 129,765,164.06 is: 198,419,223.72
Step by Step Solution
- Step 1: Write the proportion equation
84,865,757.91 : 129,765,164.06 = 129,765,164.06 : x - Step 2: Convert to fraction form
84,865,757.91/129,765,164.06 = 129,765,164.06/x - Step 3: Cross multiply
84,865,757.91x = 129,765,164.06 × 129,765,164.06 - Step 4: Simplify right side
84,865,757.91x = 16,838,997,804,167,542 - Step 5: Solve for x
x = 16,838,997,804,167,542/84,865,757.91 - Step 6: Final answer
x = 198,419,223.72
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.