Finding the Third Proportional to 74,640,292 and 155,239,400
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Solution
The third proportional to 74,640,292 and 155,239,400 is: 322,872,146.75
Step by Step Solution
- Step 1: Write the proportion equation
74,640,292 : 155,239,400 = 155,239,400 : x - Step 2: Convert to fraction form
74,640,292/155,239,400 = 155,239,400/x - Step 3: Cross multiply
74,640,292x = 155,239,400 × 155,239,400 - Step 4: Simplify right side
74,640,292x = 24,099,271,312,360,000 - Step 5: Solve for x
x = 24,099,271,312,360,000/74,640,292 - Step 6: Final answer
x = 322,872,146.75
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.