Finding the Third Proportional to 408,986,122.50 and 647,718,963.75
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Solution
The third proportional to 408,986,122.50 and 647,718,963.75 is: 1,025,804,624.95
Step by Step Solution
- Step 1: Write the proportion equation
408,986,122.50 : 647,718,963.75 = 647,718,963.75 : x - Step 2: Convert to fraction form
408,986,122.50/647,718,963.75 = 647,718,963.75/x - Step 3: Cross multiply
408,986,122.50x = 647,718,963.75 × 647,718,963.75 - Step 4: Simplify right side
408,986,122.50x = 419,539,856,001,373,824 - Step 5: Solve for x
x = 419,539,856,001,373,824/408,986,122.50 - Step 6: Final answer
x = 1,025,804,624.95
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.