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Finding the Third Proportional to 13,875 and 26,130

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Solution

The third proportional to 13,875 and 26,130 is: 49,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875 : 26,130 = 26,130 : x
  2. Step 2: Convert to fraction form
    13,875/26,130 = 26,130/x
  3. Step 3: Cross multiply
    13,875x = 26,130 × 26,130
  4. Step 4: Simplify right side
    13,875x = 682,776,900
  5. Step 5: Solve for x
    x = 682,776,900/13,875
  6. Step 6: Final answer
    x = 49,209.15

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.