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Finding the Third Proportional to 14,642 and 21,707

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Solution

The third proportional to 14,642 and 21,707 is: 32,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642 : 21,707 = 21,707 : x
  2. Step 2: Convert to fraction form
    14,642/21,707 = 21,707/x
  3. Step 3: Cross multiply
    14,642x = 21,707 × 21,707
  4. Step 4: Simplify right side
    14,642x = 471,193,849
  5. Step 5: Solve for x
    x = 471,193,849/14,642
  6. Step 6: Final answer
    x = 32,180.98

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.