Finding the Third Proportional to 291,420,731.25 and 475,813,450.13
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Solution
The third proportional to 291,420,731.25 and 475,813,450.13 is: 776,878,289.85
Step by Step Solution
- Step 1: Write the proportion equation
291,420,731.25 : 475,813,450.13 = 475,813,450.13 : x - Step 2: Convert to fraction form
291,420,731.25/475,813,450.13 = 475,813,450.13/x - Step 3: Cross multiply
291,420,731.25x = 475,813,450.13 × 475,813,450.13 - Step 4: Simplify right side
291,420,731.25x = 226,398,439,319,855,872 - Step 5: Solve for x
x = 226,398,439,319,855,872/291,420,731.25 - Step 6: Final answer
x = 776,878,289.85
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Why These Related Problems?
These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.