Finding the Third Proportional to 286,690,950 and 442,710,372
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Solution
The third proportional to 286,690,950 and 442,710,372 is: 683,636,764.52
Step by Step Solution
- Step 1: Write the proportion equation
286,690,950 : 442,710,372 = 442,710,372 : x - Step 2: Convert to fraction form
286,690,950/442,710,372 = 442,710,372/x - Step 3: Cross multiply
286,690,950x = 442,710,372 × 442,710,372 - Step 4: Simplify right side
286,690,950x = 195,992,473,476,378,368 - Step 5: Solve for x
x = 195,992,473,476,378,368/286,690,950 - Step 6: Final answer
x = 683,636,764.52
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.