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Finding the Third Proportional to 26,712 and 57,130

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Solution

The third proportional to 26,712 and 57,130 is: 122,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712 : 57,130 = 57,130 : x
  2. Step 2: Convert to fraction form
    26,712/57,130 = 57,130/x
  3. Step 3: Cross multiply
    26,712x = 57,130 × 57,130
  4. Step 4: Simplify right side
    26,712x = 3,263,836,900
  5. Step 5: Solve for x
    x = 3,263,836,900/26,712
  6. Step 6: Final answer
    x = 122,186.17

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.