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Finding the Third Proportional to 14,380 and 31,029

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Solution

The third proportional to 14,380 and 31,029 is: 66,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380 : 31,029 = 31,029 : x
  2. Step 2: Convert to fraction form
    14,380/31,029 = 31,029/x
  3. Step 3: Cross multiply
    14,380x = 31,029 × 31,029
  4. Step 4: Simplify right side
    14,380x = 962,798,841
  5. Step 5: Solve for x
    x = 962,798,841/14,380
  6. Step 6: Final answer
    x = 66,954.02

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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.