Finding the Third Proportional to 128,307,678 and 185,382,477
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Solution
The third proportional to 128,307,678 and 185,382,477 is: 267,845,722.99
Step by Step Solution
- Step 1: Write the proportion equation
128,307,678 : 185,382,477 = 185,382,477 : x - Step 2: Convert to fraction form
128,307,678/185,382,477 = 185,382,477/x - Step 3: Cross multiply
128,307,678x = 185,382,477 × 185,382,477 - Step 4: Simplify right side
128,307,678x = 34,366,662,778,655,528 - Step 5: Solve for x
x = 34,366,662,778,655,528/128,307,678 - Step 6: Final answer
x = 267,845,722.99
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.