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Finding the Third Proportional to 13,089 and 28,273

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Solution

The third proportional to 13,089 and 28,273 is: 61,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089 : 28,273 = 28,273 : x
  2. Step 2: Convert to fraction form
    13,089/28,273 = 28,273/x
  3. Step 3: Cross multiply
    13,089x = 28,273 × 28,273
  4. Step 4: Simplify right side
    13,089x = 799,362,529
  5. Step 5: Solve for x
    x = 799,362,529/13,089
  6. Step 6: Final answer
    x = 61,071.32

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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.