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Finding the Third Proportional to 14,300 and 20,712

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Solution

The third proportional to 14,300 and 20,712 is: 29,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300 : 20,712 = 20,712 : x
  2. Step 2: Convert to fraction form
    14,300/20,712 = 20,712/x
  3. Step 3: Cross multiply
    14,300x = 20,712 × 20,712
  4. Step 4: Simplify right side
    14,300x = 428,986,944
  5. Step 5: Solve for x
    x = 428,986,944/14,300
  6. Step 6: Final answer
    x = 29,999.09

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.