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Finding the Third Proportional to 40,410,548 and 71,845,288

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Solution

The third proportional to 40,410,548 and 71,845,288 is: 127,732,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,410,548 : 71,845,288 = 71,845,288 : x
  2. Step 2: Convert to fraction form
    40,410,548/71,845,288 = 71,845,288/x
  3. Step 3: Cross multiply
    40,410,548x = 71,845,288 × 71,845,288
  4. Step 4: Simplify right side
    40,410,548x = 5,161,745,407,802,944
  5. Step 5: Solve for x
    x = 5,161,745,407,802,944/40,410,548
  6. Step 6: Final answer
    x = 127,732,625.84

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.