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Finding the Third Proportional to 63,698 and 125,828

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Solution

The third proportional to 63,698 and 125,828 is: 248,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,698 : 125,828 = 125,828 : x
  2. Step 2: Convert to fraction form
    63,698/125,828 = 125,828/x
  3. Step 3: Cross multiply
    63,698x = 125,828 × 125,828
  4. Step 4: Simplify right side
    63,698x = 15,832,685,584
  5. Step 5: Solve for x
    x = 15,832,685,584/63,698
  6. Step 6: Final answer
    x = 248,558.60

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.