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Finding the Third Proportional to 14,113 and 20,748

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Solution

The third proportional to 14,113 and 20,748 is: 30,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113 : 20,748 = 20,748 : x
  2. Step 2: Convert to fraction form
    14,113/20,748 = 20,748/x
  3. Step 3: Cross multiply
    14,113x = 20,748 × 20,748
  4. Step 4: Simplify right side
    14,113x = 430,479,504
  5. Step 5: Solve for x
    x = 430,479,504/14,113
  6. Step 6: Final answer
    x = 30,502.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.