Finding the Third Proportional to 73,712,943 and 160,390,431
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Solution
The third proportional to 73,712,943 and 160,390,431 is: 348,990,140.80
Step by Step Solution
- Step 1: Write the proportion equation
73,712,943 : 160,390,431 = 160,390,431 : x - Step 2: Convert to fraction form
73,712,943/160,390,431 = 160,390,431/x - Step 3: Cross multiply
73,712,943x = 160,390,431 × 160,390,431 - Step 4: Simplify right side
73,712,943x = 25,725,090,356,365,760 - Step 5: Solve for x
x = 25,725,090,356,365,760/73,712,943 - Step 6: Final answer
x = 348,990,140.80
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.