Finding the Third Proportional to 272,133,420 and 420,230,622
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Solution
The third proportional to 272,133,420 and 420,230,622 is: 648,923,515.78
Step by Step Solution
- Step 1: Write the proportion equation
272,133,420 : 420,230,622 = 420,230,622 : x - Step 2: Convert to fraction form
272,133,420/420,230,622 = 420,230,622/x - Step 3: Cross multiply
272,133,420x = 420,230,622 × 420,230,622 - Step 4: Simplify right side
272,133,420x = 176,593,775,666,506,880 - Step 5: Solve for x
x = 176,593,775,666,506,880/272,133,420 - Step 6: Final answer
x = 648,923,515.78
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.