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Finding the Third Proportional to 13,752 and 20,658

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Solution

The third proportional to 13,752 and 20,658 is: 31,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752 : 20,658 = 20,658 : x
  2. Step 2: Convert to fraction form
    13,752/20,658 = 20,658/x
  3. Step 3: Cross multiply
    13,752x = 20,658 × 20,658
  4. Step 4: Simplify right side
    13,752x = 426,752,964
  5. Step 5: Solve for x
    x = 426,752,964/13,752
  6. Step 6: Final answer
    x = 31,032.07

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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.