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Finding the Third Proportional to 26,272 and 56,712

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Solution

The third proportional to 26,272 and 56,712 is: 122,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272 : 56,712 = 56,712 : x
  2. Step 2: Convert to fraction form
    26,272/56,712 = 56,712/x
  3. Step 3: Cross multiply
    26,272x = 56,712 × 56,712
  4. Step 4: Simplify right side
    26,272x = 3,216,250,944
  5. Step 5: Solve for x
    x = 3,216,250,944/26,272
  6. Step 6: Final answer
    x = 122,421.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.