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Finding the Third Proportional to 15,120 and 23,508

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Solution

The third proportional to 15,120 and 23,508 is: 36,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120 : 23,508 = 23,508 : x
  2. Step 2: Convert to fraction form
    15,120/23,508 = 23,508/x
  3. Step 3: Cross multiply
    15,120x = 23,508 × 23,508
  4. Step 4: Simplify right side
    15,120x = 552,626,064
  5. Step 5: Solve for x
    x = 552,626,064/15,120
  6. Step 6: Final answer
    x = 36,549.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.