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Finding the Third Proportional to 13,572 and 19,089

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Solution

The third proportional to 13,572 and 19,089 is: 26,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572 : 19,089 = 19,089 : x
  2. Step 2: Convert to fraction form
    13,572/19,089 = 19,089/x
  3. Step 3: Cross multiply
    13,572x = 19,089 × 19,089
  4. Step 4: Simplify right side
    13,572x = 364,389,921
  5. Step 5: Solve for x
    x = 364,389,921/13,572
  6. Step 6: Final answer
    x = 26,848.65

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.