Finding the Third Proportional to 420,603,021 and 920,361,228.75
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Solution
The third proportional to 420,603,021 and 920,361,228.75 is: 2,013,929,403.96
Step by Step Solution
- Step 1: Write the proportion equation
420,603,021 : 920,361,228.75 = 920,361,228.75 : x - Step 2: Convert to fraction form
420,603,021/920,361,228.75 = 920,361,228.75/x - Step 3: Cross multiply
420,603,021x = 920,361,228.75 × 920,361,228.75 - Step 4: Simplify right side
420,603,021x = 847,064,791,386,209,792 - Step 5: Solve for x
x = 847,064,791,386,209,792/420,603,021 - Step 6: Final answer
x = 2,013,929,403.96
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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.