Finding the Third Proportional to 129,298,466 and 287,294,800
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Solution
The third proportional to 129,298,466 and 287,294,800 is: 638,354,844.11
Step by Step Solution
- Step 1: Write the proportion equation
129,298,466 : 287,294,800 = 287,294,800 : x - Step 2: Convert to fraction form
129,298,466/287,294,800 = 287,294,800/x - Step 3: Cross multiply
129,298,466x = 287,294,800 × 287,294,800 - Step 4: Simplify right side
129,298,466x = 82,538,302,107,040,000 - Step 5: Solve for x
x = 82,538,302,107,040,000/129,298,466 - Step 6: Final answer
x = 638,354,844.11
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These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.