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Finding the Third Proportional to 14,918 and 32,172

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Solution

The third proportional to 14,918 and 32,172 is: 69,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918 : 32,172 = 32,172 : x
  2. Step 2: Convert to fraction form
    14,918/32,172 = 32,172/x
  3. Step 3: Cross multiply
    14,918x = 32,172 × 32,172
  4. Step 4: Simplify right side
    14,918x = 1,035,037,584
  5. Step 5: Solve for x
    x = 1,035,037,584/14,918
  6. Step 6: Final answer
    x = 69,381.79

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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.