Finding the Third Proportional to 311,020,803 and 668,197,929
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Solution
The third proportional to 311,020,803 and 668,197,929 is: 1,435,558,226.37
Step by Step Solution
- Step 1: Write the proportion equation
311,020,803 : 668,197,929 = 668,197,929 : x - Step 2: Convert to fraction form
311,020,803/668,197,929 = 668,197,929/x - Step 3: Cross multiply
311,020,803x = 668,197,929 × 668,197,929 - Step 4: Simplify right side
311,020,803x = 446,488,472,319,889,024 - Step 5: Solve for x
x = 446,488,472,319,889,024/311,020,803 - Step 6: Final answer
x = 1,435,558,226.37
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.