Finding the Third Proportional to 128,579,197.50 and 194,064,538.50
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Solution
The third proportional to 128,579,197.50 and 194,064,538.50 is: 292,901,541.12
Step by Step Solution
- Step 1: Write the proportion equation
128,579,197.50 : 194,064,538.50 = 194,064,538.50 : x - Step 2: Convert to fraction form
128,579,197.50/194,064,538.50 = 194,064,538.50/x - Step 3: Cross multiply
128,579,197.50x = 194,064,538.50 × 194,064,538.50 - Step 4: Simplify right side
128,579,197.50x = 37,661,045,103,217,984 - Step 5: Solve for x
x = 37,661,045,103,217,984/128,579,197.50 - Step 6: Final answer
x = 292,901,541.12
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.