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Finding the Third Proportional to 24,720 and 53,040

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Solution

The third proportional to 24,720 and 53,040 is: 113,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720 : 53,040 = 53,040 : x
  2. Step 2: Convert to fraction form
    24,720/53,040 = 53,040/x
  3. Step 3: Cross multiply
    24,720x = 53,040 × 53,040
  4. Step 4: Simplify right side
    24,720x = 2,813,241,600
  5. Step 5: Solve for x
    x = 2,813,241,600/24,720
  6. Step 6: Final answer
    x = 113,804.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.