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Finding the Third Proportional to 8,740 and 14,326

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Solution

The third proportional to 8,740 and 14,326 is: 23,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740 : 14,326 = 14,326 : x
  2. Step 2: Convert to fraction form
    8,740/14,326 = 14,326/x
  3. Step 3: Cross multiply
    8,740x = 14,326 × 14,326
  4. Step 4: Simplify right side
    8,740x = 205,234,276
  5. Step 5: Solve for x
    x = 205,234,276/8,740
  6. Step 6: Final answer
    x = 23,482.18

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.