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Finding the Third Proportional to 15,131 and 22,710

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Solution

The third proportional to 15,131 and 22,710 is: 34,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131 : 22,710 = 22,710 : x
  2. Step 2: Convert to fraction form
    15,131/22,710 = 22,710/x
  3. Step 3: Cross multiply
    15,131x = 22,710 × 22,710
  4. Step 4: Simplify right side
    15,131x = 515,744,100
  5. Step 5: Solve for x
    x = 515,744,100/15,131
  6. Step 6: Final answer
    x = 34,085.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.