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Finding the Third Proportional to 31,266 and 66,632.63

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Solution

The third proportional to 31,266 and 66,632.63 is: 142,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266 : 66,632.63 = 66,632.63 : x
  2. Step 2: Convert to fraction form
    31,266/66,632.63 = 66,632.63/x
  3. Step 3: Cross multiply
    31,266x = 66,632.63 × 66,632.63
  4. Step 4: Simplify right side
    31,266x = 4,439,906,714.39
  5. Step 5: Solve for x
    x = 4,439,906,714.39/31,266
  6. Step 6: Final answer
    x = 142,004.31

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.