Finding the Third Proportional to 66,864,553 and 145,599,532
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Solution
The third proportional to 66,864,553 and 145,599,532 is: 317,047,265.96
Step by Step Solution
- Step 1: Write the proportion equation
66,864,553 : 145,599,532 = 145,599,532 : x - Step 2: Convert to fraction form
66,864,553/145,599,532 = 145,599,532/x - Step 3: Cross multiply
66,864,553x = 145,599,532 × 145,599,532 - Step 4: Simplify right side
66,864,553x = 21,199,223,718,619,024 - Step 5: Solve for x
x = 21,199,223,718,619,024/66,864,553 - Step 6: Final answer
x = 317,047,265.96
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.