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Finding the Third Proportional to 13,428 and 25,164

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Solution

The third proportional to 13,428 and 25,164 is: 47,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428 : 25,164 = 25,164 : x
  2. Step 2: Convert to fraction form
    13,428/25,164 = 25,164/x
  3. Step 3: Cross multiply
    13,428x = 25,164 × 25,164
  4. Step 4: Simplify right side
    13,428x = 633,226,896
  5. Step 5: Solve for x
    x = 633,226,896/13,428
  6. Step 6: Final answer
    x = 47,157.20

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.