Finding the Third Proportional to 397,133,643.87 and 865,773,709.31
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Solution
The third proportional to 397,133,643.87 and 865,773,709.31 is: 1,887,435,444.75
Step by Step Solution
- Step 1: Write the proportion equation
397,133,643.87 : 865,773,709.31 = 865,773,709.31 : x - Step 2: Convert to fraction form
397,133,643.87/865,773,709.31 = 865,773,709.31/x - Step 3: Cross multiply
397,133,643.87x = 865,773,709.31 × 865,773,709.31 - Step 4: Simplify right side
397,133,643.87x = 749,564,115,736,725,248 - Step 5: Solve for x
x = 749,564,115,736,725,248/397,133,643.87 - Step 6: Final answer
x = 1,887,435,444.75
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.