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Finding the Third Proportional to 40,275 and 62,712

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Solution

The third proportional to 40,275 and 62,712 is: 97,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275 : 62,712 = 62,712 : x
  2. Step 2: Convert to fraction form
    40,275/62,712 = 62,712/x
  3. Step 3: Cross multiply
    40,275x = 62,712 × 62,712
  4. Step 4: Simplify right side
    40,275x = 3,932,794,944
  5. Step 5: Solve for x
    x = 3,932,794,944/40,275
  6. Step 6: Final answer
    x = 97,648.54

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.