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Finding the Third Proportional to 57,011,991 and 124,478,085

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Solution

The third proportional to 57,011,991 and 124,478,085 is: 271,781,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011,991 : 124,478,085 = 124,478,085 : x
  2. Step 2: Convert to fraction form
    57,011,991/124,478,085 = 124,478,085/x
  3. Step 3: Cross multiply
    57,011,991x = 124,478,085 × 124,478,085
  4. Step 4: Simplify right side
    57,011,991x = 15,494,793,645,267,224
  5. Step 5: Solve for x
    x = 15,494,793,645,267,224/57,011,991
  6. Step 6: Final answer
    x = 271,781,310.80

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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.