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Finding the Third Proportional to 28,427,812 and 40,515,414

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Solution

The third proportional to 28,427,812 and 40,515,414 is: 57,742,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,812 : 40,515,414 = 40,515,414 : x
  2. Step 2: Convert to fraction form
    28,427,812/40,515,414 = 40,515,414/x
  3. Step 3: Cross multiply
    28,427,812x = 40,515,414 × 40,515,414
  4. Step 4: Simplify right side
    28,427,812x = 1,641,498,771,591,396
  5. Step 5: Solve for x
    x = 1,641,498,771,591,396/28,427,812
  6. Step 6: Final answer
    x = 57,742,705.33

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.