Finding the Third Proportional to 447,908,652 and 640,510,146
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Solution
The third proportional to 447,908,652 and 640,510,146 is: 915,930,615.09
Step by Step Solution
- Step 1: Write the proportion equation
447,908,652 : 640,510,146 = 640,510,146 : x - Step 2: Convert to fraction form
447,908,652/640,510,146 = 640,510,146/x - Step 3: Cross multiply
447,908,652x = 640,510,146 × 640,510,146 - Step 4: Simplify right side
447,908,652x = 410,253,247,128,941,312 - Step 5: Solve for x
x = 410,253,247,128,941,312/447,908,652 - Step 6: Final answer
x = 915,930,615.09
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.