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Finding the Third Proportional to 57,916 and 126,903.50

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Solution

The third proportional to 57,916 and 126,903.50 is: 278,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916 : 126,903.50 = 126,903.50 : x
  2. Step 2: Convert to fraction form
    57,916/126,903.50 = 126,903.50/x
  3. Step 3: Cross multiply
    57,916x = 126,903.50 × 126,903.50
  4. Step 4: Simplify right side
    57,916x = 16,104,498,312.25
  5. Step 5: Solve for x
    x = 16,104,498,312.25/57,916
  6. Step 6: Final answer
    x = 278,066.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.