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Finding the Third Proportional to 13,765 and 30,106

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Solution

The third proportional to 13,765 and 30,106 is: 65,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765 : 30,106 = 30,106 : x
  2. Step 2: Convert to fraction form
    13,765/30,106 = 30,106/x
  3. Step 3: Cross multiply
    13,765x = 30,106 × 30,106
  4. Step 4: Simplify right side
    13,765x = 906,371,236
  5. Step 5: Solve for x
    x = 906,371,236/13,765
  6. Step 6: Final answer
    x = 65,846.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.