Finding the Third Proportional to 207,228,940 and 453,393,312
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Solution
The third proportional to 207,228,940 and 453,393,312 is: 991,972,913.47
Step by Step Solution
- Step 1: Write the proportion equation
207,228,940 : 453,393,312 = 453,393,312 : x - Step 2: Convert to fraction form
207,228,940/453,393,312 = 453,393,312/x - Step 3: Cross multiply
207,228,940x = 453,393,312 × 453,393,312 - Step 4: Simplify right side
207,228,940x = 205,565,495,366,329,344 - Step 5: Solve for x
x = 205,565,495,366,329,344/207,228,940 - Step 6: Final answer
x = 991,972,913.47
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.