Finding the Third Proportional to 218,321,820 and 473,480,076
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Solution
The third proportional to 218,321,820 and 473,480,076 is: 1,026,848,266.33
Step by Step Solution
- Step 1: Write the proportion equation
218,321,820 : 473,480,076 = 473,480,076 : x - Step 2: Convert to fraction form
218,321,820/473,480,076 = 473,480,076/x - Step 3: Cross multiply
218,321,820x = 473,480,076 × 473,480,076 - Step 4: Simplify right side
218,321,820x = 224,183,382,368,965,760 - Step 5: Solve for x
x = 224,183,382,368,965,760/218,321,820 - Step 6: Final answer
x = 1,026,848,266.33
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.