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Finding the Third Proportional to 14,320 and 21,964

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Solution

The third proportional to 14,320 and 21,964 is: 33,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320 : 21,964 = 21,964 : x
  2. Step 2: Convert to fraction form
    14,320/21,964 = 21,964/x
  3. Step 3: Cross multiply
    14,320x = 21,964 × 21,964
  4. Step 4: Simplify right side
    14,320x = 482,417,296
  5. Step 5: Solve for x
    x = 482,417,296/14,320
  6. Step 6: Final answer
    x = 33,688.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.