Finding the Third Proportional to 276,621,350.91 and 420,596,257.64
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Solution
The third proportional to 276,621,350.91 and 420,596,257.64 is: 639,506,716.90
Step by Step Solution
- Step 1: Write the proportion equation
276,621,350.91 : 420,596,257.64 = 420,596,257.64 : x - Step 2: Convert to fraction form
276,621,350.91/420,596,257.64 = 420,596,257.64/x - Step 3: Cross multiply
276,621,350.91x = 420,596,257.64 × 420,596,257.64 - Step 4: Simplify right side
276,621,350.91x = 176,901,211,941,294,784 - Step 5: Solve for x
x = 176,901,211,941,294,784/276,621,350.91 - Step 6: Final answer
x = 639,506,716.90
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.