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Finding the Third Proportional to 74,111,124 and 163,299,912

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Solution

The third proportional to 74,111,124 and 163,299,912 is: 359,822,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,111,124 : 163,299,912 = 163,299,912 : x
  2. Step 2: Convert to fraction form
    74,111,124/163,299,912 = 163,299,912/x
  3. Step 3: Cross multiply
    74,111,124x = 163,299,912 × 163,299,912
  4. Step 4: Simplify right side
    74,111,124x = 26,666,861,259,207,744
  5. Step 5: Solve for x
    x = 26,666,861,259,207,744/74,111,124
  6. Step 6: Final answer
    x = 359,822,653.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.