Finding the Third Proportional to 207,228,980 and 453,394,490
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Solution
The third proportional to 207,228,980 and 453,394,490 is: 991,977,876.66
Step by Step Solution
- Step 1: Write the proportion equation
207,228,980 : 453,394,490 = 453,394,490 : x - Step 2: Convert to fraction form
207,228,980/453,394,490 = 453,394,490/x - Step 3: Cross multiply
207,228,980x = 453,394,490 × 453,394,490 - Step 4: Simplify right side
207,228,980x = 205,566,563,562,360,096 - Step 5: Solve for x
x = 205,566,563,562,360,096/207,228,980 - Step 6: Final answer
x = 991,977,876.66
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.