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Finding the Third Proportional to 24,900 and 53,128

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Solution

The third proportional to 24,900 and 53,128 is: 113,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,900 : 53,128 = 53,128 : x
  2. Step 2: Convert to fraction form
    24,900/53,128 = 53,128/x
  3. Step 3: Cross multiply
    24,900x = 53,128 × 53,128
  4. Step 4: Simplify right side
    24,900x = 2,822,584,384
  5. Step 5: Solve for x
    x = 2,822,584,384/24,900
  6. Step 6: Final answer
    x = 113,356.80

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.